31115678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 54286848

約数和(自身を除く): 23171170

約数列:

[1, 2, 11, 17, 22, 34, 187, 271, 307, 374, 542, 614, 2981, 3377, 4607, 5219, 5962, 6754, 9214, 10438, 50677, 57409, 83197, 101354, 114818, 166394, 915167, 1414349, 1830334, 2828698, 15557839, 31115678]

約数ペア:

[(1, 31115678), (2, 15557839), (11, 2828698), (17, 1830334), (22, 1414349), (34, 915167), (187, 166394), (271, 114818), (307, 101354), (374, 83197), (542, 57409), (614, 50677), (2981, 10438), (3377, 9214), (4607, 6754), (5219, 5962)]