408266585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 527472000

約数和(自身を除く): 119205415

約数列:

[1, 5, 19, 89, 95, 109, 443, 445, 545, 1691, 2071, 2215, 8417, 8455, 9701, 10355, 39427, 42085, 48287, 48505, 184319, 197135, 241435, 749113, 917453, 921595, 3745565, 4297543, 4587265, 21487715, 81653317, 408266585]

約数ペア:

[(1, 408266585), (5, 81653317), (19, 21487715), (89, 4587265), (95, 4297543), (109, 3745565), (443, 921595), (445, 917453), (545, 749113), (1691, 241435), (2071, 197135), (2215, 184319), (8417, 48505), (8455, 48287), (9701, 42085), (10355, 39427)]