81616568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22621}}^1$

素因数の和:22679

約数の個数: 32

約数和(自身を含む): 171022320

約数和(自身を除く): 89405752

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 22621, 45242, 90484, 180968, 248831, 497662, 927461, 995324, 1854922, 1990648, 3709844, 7419688, 10202071, 20404142, 40808284, 81616568]

約数ペア:

[(1, 81616568), (2, 40808284), (4, 20404142), (8, 10202071), (11, 7419688), (22, 3709844), (41, 1990648), (44, 1854922), (82, 995324), (88, 927461), (164, 497662), (328, 248831), (451, 180968), (902, 90484), (1804, 45242), (3608, 22621)]