1991745536

素因数分解:

$2^{13}\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:122

約数の個数: 168

約数和(自身を含む): 4685275872

約数和(自身を除く): 2693530336

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 32, 44, 46, 62, 64, 88, 92, 124, 128, 176, 184, 248, 253, 256, 341, 352, 368, 496, 506, 512, 682, 704, 713, 736, 961, 992, 1012, 1024, 1364, 1408, 1426, 1472, 1922, 1984, 2024, 2048, 2728, 2816, 2852, 2944, 3844, 3968, 4048, 4096, 5456, 5632, 5704, 5888, 7688, 7843, 7936, 8096, 8192, 10571, 10912, 11264, 11408, 11776, 15376, 15686, 15872, 16192, 21142, 21824, 22103, 22528, 22816, 23552, 30752, 31372, 31744, 32384, 42284, 43648, 44206, 45056, 45632, 47104, 61504, 62744, 63488, 64768, 84568, 87296, 88412, 90112, 91264, 94208, 123008, 125488, 126976, 129536, 169136, 174592, 176824, 182528, 188416, 243133, 246016, 250976, 253952, 259072, 338272, 349184, 353648, 365056, 486266, 492032, 501952, 518144, 676544, 698368, 707296, 730112, 972532, 984064, 1003904, 1036288, 1353088, 1396736, 1414592, 1460224, 1945064, 1968128, 2007808, 2072576, 2706176, 2793472, 2829184, 2920448, 3890128, 3936256, 4015616, 5412352, 5658368, 5840896, 7780256, 7872512, 8031232, 10824704, 11316736, 15560512, 16062464, 21649408, 22633472, 31121024, 32124928, 43298816, 45266944, 62242048, 64249856, 86597632, 90533888, 124484096, 181067776, 248968192, 497936384, 995872768, 1991745536]

約数ペア:

[(1, 1991745536), (2, 995872768), (4, 497936384), (8, 248968192), (11, 181067776), (16, 124484096), (22, 90533888), (23, 86597632), (31, 64249856), (32, 62242048), (44, 45266944), (46, 43298816), (62, 32124928), (64, 31121024), (88, 22633472), (92, 21649408), (124, 16062464), (128, 15560512), (176, 11316736), (184, 10824704), (248, 8031232), (253, 7872512), (256, 7780256), (341, 5840896), (352, 5658368), (368, 5412352), (496, 4015616), (506, 3936256), (512, 3890128), (682, 2920448), (704, 2829184), (713, 2793472), (736, 2706176), (961, 2072576), (992, 2007808), (1012, 1968128), (1024, 1945064), (1364, 1460224), (1408, 1414592), (1426, 1396736), (1472, 1353088), (1922, 1036288), (1984, 1003904), (2024, 984064), (2048, 972532), (2728, 730112), (2816, 707296), (2852, 698368), (2944, 676544), (3844, 518144), (3968, 501952), (4048, 492032), (4096, 486266), (5456, 365056), (5632, 353648), (5704, 349184), (5888, 338272), (7688, 259072), (7843, 253952), (7936, 250976), (8096, 246016), (8192, 243133), (10571, 188416), (10912, 182528), (11264, 176824), (11408, 174592), (11776, 169136), (15376, 129536), (15686, 126976), (15872, 125488), (16192, 123008), (21142, 94208), (21824, 91264), (22103, 90112), (22528, 88412), (22816, 87296), (23552, 84568), (30752, 64768), (31372, 63488), (31744, 62744), (32384, 61504), (42284, 47104), (43648, 45632), (44206, 45056)]