72639128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2143}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 144076800

約数和(自身を除く): 71437672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 223, 446, 892, 1784, 2143, 4237, 4286, 8474, 8572, 16948, 17144, 33896, 40717, 81434, 162868, 325736, 477889, 955778, 1911556, 3823112, 9079891, 18159782, 36319564, 72639128]

約数ペア:

[(1, 72639128), (2, 36319564), (4, 18159782), (8, 9079891), (19, 3823112), (38, 1911556), (76, 955778), (152, 477889), (223, 325736), (446, 162868), (892, 81434), (1784, 40717), (2143, 33896), (4237, 17144), (4286, 16948), (8474, 8572)]