31012090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 58475520

約数和(自身を除く): 27463430

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1409, 2201, 2818, 4402, 7045, 11005, 14090, 22010, 43679, 87358, 100039, 200078, 218395, 436790, 500195, 1000390, 3101209, 6202418, 15506045, 31012090]

約数ペア:

[(1, 31012090), (2, 15506045), (5, 6202418), (10, 3101209), (31, 1000390), (62, 500195), (71, 436790), (142, 218395), (155, 200078), (310, 100039), (355, 87358), (710, 43679), (1409, 22010), (2201, 14090), (2818, 11005), (4402, 7045)]