489481775

素因数分解:

$5^2\times {\mathrm{193}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 614149680

約数和(自身を除く): 124667905

約数列:

[1, 5, 25, 193, 229, 443, 965, 1145, 2215, 4825, 5725, 11075, 44197, 85499, 101447, 220985, 427495, 507235, 1104925, 2137475, 2536175, 19579271, 97896355, 489481775]

約数ペア:

[(1, 489481775), (5, 97896355), (25, 19579271), (193, 2536175), (229, 2137475), (443, 1104925), (965, 507235), (1145, 427495), (2215, 220985), (4825, 101447), (5725, 85499), (11075, 44197)]