72571045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 95528160

約数和(自身を除く): 22957115

約数列:

[1, 5, 17, 53, 85, 89, 181, 265, 445, 901, 905, 1513, 3077, 4505, 4717, 7565, 9593, 15385, 16109, 23585, 47965, 80189, 80545, 163081, 273853, 400945, 815405, 853777, 1369265, 4268885, 14514209, 72571045]

約数ペア:

[(1, 72571045), (5, 14514209), (17, 4268885), (53, 1369265), (85, 853777), (89, 815405), (181, 400945), (265, 273853), (445, 163081), (901, 80545), (905, 80189), (1513, 47965), (3077, 23585), (4505, 16109), (4717, 15385), (7565, 9593)]