8161990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 15365376

約数和(自身を除く): 7203386

約数列:

[1, 2, 5, 10, 31, 62, 113, 155, 226, 233, 310, 466, 565, 1130, 1165, 2330, 3503, 7006, 7223, 14446, 17515, 26329, 35030, 36115, 52658, 72230, 131645, 263290, 816199, 1632398, 4080995, 8161990]

約数ペア:

[(1, 8161990), (2, 4080995), (5, 1632398), (10, 816199), (31, 263290), (62, 131645), (113, 72230), (155, 52658), (226, 36115), (233, 35030), (310, 26329), (466, 17515), (565, 14446), (1130, 7223), (1165, 7006), (2330, 3503)]