205407488

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 499978752

約数和(自身を除く): 294571264

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 128, 143, 176, 181, 208, 248, 256, 286, 341, 352, 362, 403, 416, 496, 572, 682, 704, 724, 806, 832, 992, 1144, 1364, 1408, 1448, 1612, 1664, 1984, 1991, 2288, 2353, 2728, 2816, 2896, 3224, 3328, 3968, 3982, 4433, 4576, 4706, 5456, 5611, 5792, 6448, 7936, 7964, 8866, 9152, 9412, 10912, 11222, 11584, 12896, 15928, 17732, 18304, 18824, 21824, 22444, 23168, 25792, 25883, 31856, 35464, 36608, 37648, 43648, 44888, 46336, 51584, 51766, 61721, 63712, 70928, 72943, 75296, 87296, 89776, 103168, 103532, 123442, 127424, 141856, 145886, 150592, 179552, 207064, 246884, 254848, 283712, 291772, 301184, 359104, 414128, 493768, 509696, 567424, 583544, 602368, 718208, 802373, 828256, 987536, 1134848, 1167088, 1436416, 1604746, 1656512, 1975072, 2334176, 3209492, 3313024, 3950144, 4668352, 6418984, 6626048, 7900288, 9336704, 12837968, 15800576, 18673408, 25675936, 51351872, 102703744, 205407488]

約数ペア:

[(1, 205407488), (2, 102703744), (4, 51351872), (8, 25675936), (11, 18673408), (13, 15800576), (16, 12837968), (22, 9336704), (26, 7900288), (31, 6626048), (32, 6418984), (44, 4668352), (52, 3950144), (62, 3313024), (64, 3209492), (88, 2334176), (104, 1975072), (124, 1656512), (128, 1604746), (143, 1436416), (176, 1167088), (181, 1134848), (208, 987536), (248, 828256), (256, 802373), (286, 718208), (341, 602368), (352, 583544), (362, 567424), (403, 509696), (416, 493768), (496, 414128), (572, 359104), (682, 301184), (704, 291772), (724, 283712), (806, 254848), (832, 246884), (992, 207064), (1144, 179552), (1364, 150592), (1408, 145886), (1448, 141856), (1612, 127424), (1664, 123442), (1984, 103532), (1991, 103168), (2288, 89776), (2353, 87296), (2728, 75296), (2816, 72943), (2896, 70928), (3224, 63712), (3328, 61721), (3968, 51766), (3982, 51584), (4433, 46336), (4576, 44888), (4706, 43648), (5456, 37648), (5611, 36608), (5792, 35464), (6448, 31856), (7936, 25883), (7964, 25792), (8866, 23168), (9152, 22444), (9412, 21824), (10912, 18824), (11222, 18304), (11584, 17732), (12896, 15928)]