31467790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 59222016

約数和(自身を除く): 27754226

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 1223, 2446, 2573, 5146, 6115, 12230, 12865, 25730, 37913, 75826, 101509, 189565, 203018, 379130, 507545, 1015090, 3146779, 6293558, 15733895, 31467790]

約数ペア:

[(1, 31467790), (2, 15733895), (5, 6293558), (10, 3146779), (31, 1015090), (62, 507545), (83, 379130), (155, 203018), (166, 189565), (310, 101509), (415, 75826), (830, 37913), (1223, 25730), (2446, 12865), (2573, 12230), (5146, 6115)]