81341396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 159086592

約数和(自身を除く): 77745196

約数列:

[1, 2, 4, 17, 31, 34, 47, 62, 68, 94, 124, 188, 527, 799, 821, 1054, 1457, 1598, 1642, 2108, 2914, 3196, 3284, 5828, 13957, 24769, 25451, 27914, 38587, 49538, 50902, 55828, 77174, 99076, 101804, 154348, 432667, 655979, 865334, 1196197, 1311958, 1730668, 2392394, 2623916, 4784788, 20335349, 40670698, 81341396]

約数ペア:

[(1, 81341396), (2, 40670698), (4, 20335349), (17, 4784788), (31, 2623916), (34, 2392394), (47, 1730668), (62, 1311958), (68, 1196197), (94, 865334), (124, 655979), (188, 432667), (527, 154348), (799, 101804), (821, 99076), (1054, 77174), (1457, 55828), (1598, 50902), (1642, 49538), (2108, 38587), (2914, 27914), (3196, 25451), (3284, 24769), (5828, 13957)]