81906524

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 169128960

約数和(自身を除く): 87222436

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 109, 188, 218, 329, 436, 571, 658, 763, 1142, 1316, 1526, 2284, 3052, 3997, 5123, 7994, 10246, 15988, 20492, 26837, 35861, 53674, 62239, 71722, 107348, 124478, 143444, 187859, 248956, 375718, 435673, 751436, 871346, 1742692, 2925233, 5850466, 11700932, 20476631, 40953262, 81906524]

約数ペア:

[(1, 81906524), (2, 40953262), (4, 20476631), (7, 11700932), (14, 5850466), (28, 2925233), (47, 1742692), (94, 871346), (109, 751436), (188, 435673), (218, 375718), (329, 248956), (436, 187859), (571, 143444), (658, 124478), (763, 107348), (1142, 71722), (1316, 62239), (1526, 53674), (2284, 35861), (3052, 26837), (3997, 20492), (5123, 15988), (7994, 10246)]