31128247930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7724131}}^1$

素因数の和:7724182

約数の個数: 32

約数和(自身を含む): 62287400448

約数和(自身を除く): 31159152518

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7724131, 15448262, 38620655, 77241310, 100413703, 200827406, 239448061, 478896122, 502068515, 1004137030, 1197240305, 2394480610, 3112824793, 6225649586, 15564123965, 31128247930]

約数ペア:

[(1, 31128247930), (2, 15564123965), (5, 6225649586), (10, 3112824793), (13, 2394480610), (26, 1197240305), (31, 1004137030), (62, 502068515), (65, 478896122), (130, 239448061), (155, 200827406), (310, 100413703), (403, 77241310), (806, 38620655), (2015, 15448262), (4030, 7724131)]