278045198

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{4987}}^1$

素因数の和:5507

約数の個数: 16

約数和(自身を含む): 424917744

約数和(自身を除く): 146872546

約数列:

[1, 2, 61, 122, 457, 914, 4987, 9974, 27877, 55754, 304207, 608414, 2279059, 4558118, 139022599, 278045198]

約数ペア:

[(1, 278045198), (2, 139022599), (61, 4558118), (122, 2279059), (457, 608414), (914, 304207), (4987, 55754), (9974, 27877)]