31768490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7883}}^1$

素因数の和:7934

約数の個数: 32

約数和(自身を含む): 63576576

約数和(自身を除く): 31808086

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7883, 15766, 39415, 78830, 102479, 204958, 244373, 488746, 512395, 1024790, 1221865, 2443730, 3176849, 6353698, 15884245, 31768490]

約数ペア:

[(1, 31768490), (2, 15884245), (5, 6353698), (10, 3176849), (13, 2443730), (26, 1221865), (31, 1024790), (62, 512395), (65, 488746), (130, 244373), (155, 204958), (310, 102479), (403, 78830), (806, 39415), (2015, 15766), (4030, 7883)]