2638987976

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{617}}^1\times {\mathrm{1481}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 5234231340

約数和(自身を除く): 2595243364

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 617, 722, 1234, 1444, 1481, 2468, 2888, 2962, 4936, 5924, 11723, 11848, 23446, 28139, 46892, 56278, 93784, 112556, 222737, 225112, 445474, 534641, 890948, 913777, 1069282, 1781896, 1827554, 2138564, 3655108, 4277128, 7310216, 17361763, 34723526, 69447052, 138894104, 329873497, 659746994, 1319493988, 2638987976]

約数ペア:

[(1, 2638987976), (2, 1319493988), (4, 659746994), (8, 329873497), (19, 138894104), (38, 69447052), (76, 34723526), (152, 17361763), (361, 7310216), (617, 4277128), (722, 3655108), (1234, 2138564), (1444, 1827554), (1481, 1781896), (2468, 1069282), (2888, 913777), (2962, 890948), (4936, 534641), (5924, 445474), (11723, 225112), (11848, 222737), (23446, 112556), (28139, 93784), (46892, 56278)]