128520568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 272160000

約数和(自身を除く): 143639432

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 179, 199, 328, 358, 398, 451, 716, 796, 902, 1432, 1592, 1804, 1969, 2189, 3608, 3938, 4378, 7339, 7876, 8159, 8756, 14678, 15752, 16318, 17512, 29356, 32636, 35621, 58712, 65272, 71242, 80729, 89749, 142484, 161458, 179498, 284968, 322916, 358996, 391831, 645832, 717992, 783662, 1460461, 1567324, 2920922, 3134648, 5841844, 11683688, 16065071, 32130142, 64260284, 128520568]

約数ペア:

[(1, 128520568), (2, 64260284), (4, 32130142), (8, 16065071), (11, 11683688), (22, 5841844), (41, 3134648), (44, 2920922), (82, 1567324), (88, 1460461), (164, 783662), (179, 717992), (199, 645832), (328, 391831), (358, 358996), (398, 322916), (451, 284968), (716, 179498), (796, 161458), (902, 142484), (1432, 89749), (1592, 80729), (1804, 71242), (1969, 65272), (2189, 58712), (3608, 35621), (3938, 32636), (4378, 29356), (7339, 17512), (7876, 16318), (8159, 15752), (8756, 14678)]