77872354

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 136281600

約数和(自身を除く): 58409246

約数列:

[1, 2, 7, 14, 79, 158, 181, 362, 389, 553, 778, 1106, 1267, 2534, 2723, 5446, 14299, 28598, 30731, 61462, 70409, 100093, 140818, 200186, 215117, 430234, 492863, 985726, 5562311, 11124622, 38936177, 77872354]

約数ペア:

[(1, 77872354), (2, 38936177), (7, 11124622), (14, 5562311), (79, 985726), (158, 492863), (181, 430234), (362, 215117), (389, 200186), (553, 140818), (778, 100093), (1106, 70409), (1267, 61462), (2534, 30731), (2723, 28598), (5446, 14299)]