15809690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 31643136

約数和(自身を除く): 15833446

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 3923, 4030, 7846, 19615, 39230, 50999, 101998, 121613, 243226, 254995, 509990, 608065, 1216130, 1580969, 3161938, 7904845, 15809690]

約数ペア:

[(1, 15809690), (2, 7904845), (5, 3161938), (10, 1580969), (13, 1216130), (26, 608065), (31, 509990), (62, 254995), (65, 243226), (130, 121613), (155, 101998), (310, 50999), (403, 39230), (806, 19615), (2015, 7846), (3923, 4030)]