663896155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19381}}^1$

素因数の和:19447

約数の個数: 32

約数和(自身を含む): 937778688

約数和(自身を除く): 273882533

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 2015, 2635, 6851, 19381, 34255, 96905, 251953, 329477, 600811, 1259765, 1647385, 3004055, 4283201, 7810543, 10213787, 21416005, 39052715, 51068935, 132779231, 663896155]

約数ペア:

[(1, 663896155), (5, 132779231), (13, 51068935), (17, 39052715), (31, 21416005), (65, 10213787), (85, 7810543), (155, 4283201), (221, 3004055), (403, 1647385), (527, 1259765), (1105, 600811), (2015, 329477), (2635, 251953), (6851, 96905), (19381, 34255)]