1230895988

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{493939}}^1$

素因数の和:494039

約数の個数: 24

約数和(自身を含む): 2489457600

約数和(自身を除く): 1258561612

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 493939, 987878, 1975756, 3457573, 6915146, 13830292, 43960571, 87921142, 175842284, 307723997, 615447994, 1230895988]

約数ペア:

[(1, 1230895988), (2, 615447994), (4, 307723997), (7, 175842284), (14, 87921142), (28, 43960571), (89, 13830292), (178, 6915146), (356, 3457573), (623, 1975756), (1246, 987878), (2492, 493939)]