87431656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 186439680

約数和(自身を除く): 99008024

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 188, 248, 376, 403, 577, 611, 806, 1154, 1222, 1457, 1612, 2308, 2444, 2914, 3224, 4616, 4888, 5828, 7501, 11656, 15002, 17887, 18941, 27119, 30004, 35774, 37882, 54238, 60008, 71548, 75764, 108476, 143096, 151528, 216952, 232531, 352547, 465062, 705094, 840689, 930124, 1410188, 1681378, 1860248, 2820376, 3362756, 6725512, 10928957, 21857914, 43715828, 87431656]

約数ペア:

[(1, 87431656), (2, 43715828), (4, 21857914), (8, 10928957), (13, 6725512), (26, 3362756), (31, 2820376), (47, 1860248), (52, 1681378), (62, 1410188), (94, 930124), (104, 840689), (124, 705094), (188, 465062), (248, 352547), (376, 232531), (403, 216952), (577, 151528), (611, 143096), (806, 108476), (1154, 75764), (1222, 71548), (1457, 60008), (1612, 54238), (2308, 37882), (2444, 35774), (2914, 30004), (3224, 27119), (4616, 18941), (4888, 17887), (5828, 15002), (7501, 11656)]