81949252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2441}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 180512640

約数和(自身を除く): 98563388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 763, 1199, 1526, 2398, 2441, 3052, 4796, 4882, 8393, 9764, 16786, 17087, 26851, 33572, 34174, 53702, 68348, 107404, 187957, 266069, 375914, 532138, 751828, 1064276, 1862483, 2926759, 3724966, 5853518, 7449932, 11707036, 20487313, 40974626, 81949252]

約数ペア:

[(1, 81949252), (2, 40974626), (4, 20487313), (7, 11707036), (11, 7449932), (14, 5853518), (22, 3724966), (28, 2926759), (44, 1862483), (77, 1064276), (109, 751828), (154, 532138), (218, 375914), (308, 266069), (436, 187957), (763, 107404), (1199, 68348), (1526, 53702), (2398, 34174), (2441, 33572), (3052, 26851), (4796, 17087), (4882, 16786), (8393, 9764)]