87931172

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 181547520

約数和(自身を除く): 93616348

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 109, 188, 218, 329, 436, 613, 658, 763, 1226, 1316, 1526, 2452, 3052, 4291, 5123, 8582, 10246, 17164, 20492, 28811, 35861, 57622, 66817, 71722, 115244, 133634, 143444, 201677, 267268, 403354, 467719, 806708, 935438, 1870876, 3140399, 6280798, 12561596, 21982793, 43965586, 87931172]

約数ペア:

[(1, 87931172), (2, 43965586), (4, 21982793), (7, 12561596), (14, 6280798), (28, 3140399), (47, 1870876), (94, 935438), (109, 806708), (188, 467719), (218, 403354), (329, 267268), (436, 201677), (613, 143444), (658, 133634), (763, 115244), (1226, 71722), (1316, 66817), (1526, 57622), (2452, 35861), (3052, 28811), (4291, 20492), (5123, 17164), (8582, 10246)]