31672390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 59719680

約数和(自身を除く): 28047290

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1439, 2201, 2878, 4402, 7195, 11005, 14390, 22010, 44609, 89218, 102169, 204338, 223045, 446090, 510845, 1021690, 3167239, 6334478, 15836195, 31672390]

約数ペア:

[(1, 31672390), (2, 15836195), (5, 6334478), (10, 3167239), (31, 1021690), (62, 510845), (71, 446090), (142, 223045), (155, 204338), (310, 102169), (355, 89218), (710, 44609), (1439, 22010), (2201, 14390), (2878, 11005), (4402, 7195)]