221516075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2029}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 300553680

約数和(自身を除く): 79037605

約数列:

[1, 5, 11, 25, 55, 275, 397, 1985, 2029, 4367, 9925, 10145, 21835, 22319, 50725, 109175, 111595, 557975, 805513, 4027565, 8860643, 20137825, 44303215, 221516075]

約数ペア:

[(1, 221516075), (5, 44303215), (11, 20137825), (25, 8860643), (55, 4027565), (275, 805513), (397, 557975), (1985, 111595), (2029, 109175), (4367, 50725), (9925, 22319), (10145, 21835)]