72427888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20483}}^1$

素因数の和:20521

約数の個数: 40

約数和(自身を含む): 160021008

約数和(自身を除く): 87593120

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20483, 40966, 81932, 163864, 266279, 327728, 348211, 532558, 696422, 1065116, 1392844, 2130232, 2785688, 4260464, 4526743, 5571376, 9053486, 18106972, 36213944, 72427888]

約数ペア:

[(1, 72427888), (2, 36213944), (4, 18106972), (8, 9053486), (13, 5571376), (16, 4526743), (17, 4260464), (26, 2785688), (34, 2130232), (52, 1392844), (68, 1065116), (104, 696422), (136, 532558), (208, 348211), (221, 327728), (272, 266279), (442, 163864), (884, 81932), (1768, 40966), (3536, 20483)]