81379896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2689}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 221440800

約数和(自身を除く): 140060904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 97, 104, 156, 194, 291, 312, 388, 582, 776, 1164, 1261, 2328, 2522, 2689, 3783, 5044, 5378, 7566, 8067, 10088, 10756, 15132, 16134, 21512, 30264, 32268, 34957, 64536, 69914, 104871, 139828, 209742, 260833, 279656, 419484, 521666, 782499, 838968, 1043332, 1564998, 2086664, 3129996, 3390829, 6259992, 6781658, 10172487, 13563316, 20344974, 27126632, 40689948, 81379896]

約数ペア:

[(1, 81379896), (2, 40689948), (3, 27126632), (4, 20344974), (6, 13563316), (8, 10172487), (12, 6781658), (13, 6259992), (24, 3390829), (26, 3129996), (39, 2086664), (52, 1564998), (78, 1043332), (97, 838968), (104, 782499), (156, 521666), (194, 419484), (291, 279656), (312, 260833), (388, 209742), (582, 139828), (776, 104871), (1164, 69914), (1261, 64536), (2328, 34957), (2522, 32268), (2689, 30264), (3783, 21512), (5044, 16134), (5378, 15132), (7566, 10756), (8067, 10088)]