72668336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20551}}^1$

素因数の和:20589

約数の個数: 40

約数和(自身を含む): 160552224

約数和(自身を除く): 87883888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20551, 41102, 82204, 164408, 267163, 328816, 349367, 534326, 698734, 1068652, 1397468, 2137304, 2794936, 4274608, 4541771, 5589872, 9083542, 18167084, 36334168, 72668336]

約数ペア:

[(1, 72668336), (2, 36334168), (4, 18167084), (8, 9083542), (13, 5589872), (16, 4541771), (17, 4274608), (26, 2794936), (34, 2137304), (52, 1397468), (68, 1068652), (104, 698734), (136, 534326), (208, 349367), (221, 328816), (272, 267163), (442, 164408), (884, 82204), (1768, 41102), (3536, 20551)]