31273730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 58890240

約数和(自身を除く): 27616510

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 1277, 2449, 2554, 4898, 6385, 12245, 12770, 24490, 39587, 79174, 100883, 197935, 201766, 395870, 504415, 1008830, 3127373, 6254746, 15636865, 31273730]

約数ペア:

[(1, 31273730), (2, 15636865), (5, 6254746), (10, 3127373), (31, 1008830), (62, 504415), (79, 395870), (155, 201766), (158, 197935), (310, 100883), (395, 79174), (790, 39587), (1277, 24490), (2449, 12770), (2554, 12245), (4898, 6385)]