823641728

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2346

約数の個数: 128

約数和(自身を含む): 2085565440

約数和(自身を除く): 1261923712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 992, 1456, 1612, 1664, 1736, 1984, 2281, 2821, 2912, 3224, 3472, 3968, 4562, 5642, 5824, 6448, 6944, 9124, 11284, 11648, 12896, 13888, 15967, 18248, 22568, 25792, 27776, 29653, 31934, 36496, 45136, 51584, 59306, 63868, 70711, 72992, 90272, 118612, 127736, 141422, 145984, 180544, 207571, 237224, 255472, 282844, 291968, 361088, 415142, 474448, 494977, 510944, 565688, 830284, 919243, 948896, 989954, 1021888, 1131376, 1660568, 1838486, 1897792, 1979908, 2043776, 2262752, 3321136, 3676972, 3795584, 3959816, 4525504, 6434701, 6642272, 7353944, 7919632, 9051008, 12869402, 13284544, 14707888, 15839264, 25738804, 26569088, 29415776, 31678528, 51477608, 58831552, 63357056, 102955216, 117663104, 205910432, 411820864, 823641728]

約数ペア:

[(1, 823641728), (2, 411820864), (4, 205910432), (7, 117663104), (8, 102955216), (13, 63357056), (14, 58831552), (16, 51477608), (26, 31678528), (28, 29415776), (31, 26569088), (32, 25738804), (52, 15839264), (56, 14707888), (62, 13284544), (64, 12869402), (91, 9051008), (104, 7919632), (112, 7353944), (124, 6642272), (128, 6434701), (182, 4525504), (208, 3959816), (217, 3795584), (224, 3676972), (248, 3321136), (364, 2262752), (403, 2043776), (416, 1979908), (434, 1897792), (448, 1838486), (496, 1660568), (728, 1131376), (806, 1021888), (832, 989954), (868, 948896), (896, 919243), (992, 830284), (1456, 565688), (1612, 510944), (1664, 494977), (1736, 474448), (1984, 415142), (2281, 361088), (2821, 291968), (2912, 282844), (3224, 255472), (3472, 237224), (3968, 207571), (4562, 180544), (5642, 145984), (5824, 141422), (6448, 127736), (6944, 118612), (9124, 90272), (11284, 72992), (11648, 70711), (12896, 63868), (13888, 59306), (15967, 51584), (18248, 45136), (22568, 36496), (25792, 31934), (27776, 29653)]