138876392

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{20399}}^1$

素因数の和:20465

約数の個数: 32

約数和(自身を含む): 279072000

約数和(自身を除く): 140195608

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 148, 184, 296, 851, 1702, 3404, 6808, 20399, 40798, 81596, 163192, 469177, 754763, 938354, 1509526, 1876708, 3019052, 3753416, 6038104, 17359549, 34719098, 69438196, 138876392]

約数ペア:

[(1, 138876392), (2, 69438196), (4, 34719098), (8, 17359549), (23, 6038104), (37, 3753416), (46, 3019052), (74, 1876708), (92, 1509526), (148, 938354), (184, 754763), (296, 469177), (851, 163192), (1702, 81596), (3404, 40798), (6808, 20399)]