678536495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{2417}}^1$

素因数の和:3059

約数の個数: 32

約数和(自身を含む): 1004185728

約数和(自身を除く): 325649233

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 617, 2417, 3085, 4319, 8021, 12085, 16919, 21595, 31421, 40105, 56147, 84595, 157105, 219947, 280735, 1099735, 1491289, 7456445, 10439023, 19386757, 52195115, 96933785, 135707299, 678536495]

約数ペア:

[(1, 678536495), (5, 135707299), (7, 96933785), (13, 52195115), (35, 19386757), (65, 10439023), (91, 7456445), (455, 1491289), (617, 1099735), (2417, 280735), (3085, 219947), (4319, 157105), (8021, 84595), (12085, 56147), (16919, 40105), (21595, 31421)]