440128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:71

約数の個数: 42

約数和(自身を含む): 983234

約数和(自身を除く): 543106

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 529, 598, 736, 832, 1058, 1196, 1472, 2116, 2392, 4232, 4784, 6877, 8464, 9568, 13754, 16928, 19136, 27508, 33856, 55016, 110032, 220064, 440128]

約数ペア:

[(1, 440128), (2, 220064), (4, 110032), (8, 55016), (13, 33856), (16, 27508), (23, 19136), (26, 16928), (32, 13754), (46, 9568), (52, 8464), (64, 6877), (92, 4784), (104, 4232), (184, 2392), (208, 2116), (299, 1472), (368, 1196), (416, 1058), (529, 832), (598, 736)]