31331390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 58613760

約数和(自身を除く): 27282370

約数列:

[1, 2, 5, 10, 31, 62, 155, 211, 310, 422, 479, 958, 1055, 2110, 2395, 4790, 6541, 13082, 14849, 29698, 32705, 65410, 74245, 101069, 148490, 202138, 505345, 1010690, 3133139, 6266278, 15665695, 31331390]

約数ペア:

[(1, 31331390), (2, 15665695), (5, 6266278), (10, 3133139), (31, 1010690), (62, 505345), (155, 202138), (211, 148490), (310, 101069), (422, 74245), (479, 65410), (958, 32705), (1055, 29698), (2110, 14849), (2395, 13082), (4790, 6541)]