289291518

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{40483}}^1$

素因数の和:40888

約数の個数: 24

約数和(自身を含む): 628392648

約数和(自身を除く): 339101130

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 3573, 7146, 40483, 80966, 121449, 242898, 364347, 728694, 16071751, 32143502, 48215253, 96430506, 144645759, 289291518]

約数ペア:

[(1, 289291518), (2, 144645759), (3, 96430506), (6, 48215253), (9, 32143502), (18, 16071751), (397, 728694), (794, 364347), (1191, 242898), (2382, 121449), (3573, 80966), (7146, 40483)]