220131706

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 349272000

約数和(自身を除く): 129140294

約数列:

[1, 2, 41, 43, 82, 86, 149, 298, 419, 838, 1763, 3526, 6109, 6407, 12218, 12814, 17179, 18017, 34358, 36034, 62431, 124862, 262687, 525374, 738697, 1477394, 2559671, 2684533, 5119342, 5369066, 110065853, 220131706]

約数ペア:

[(1, 220131706), (2, 110065853), (41, 5369066), (43, 5119342), (82, 2684533), (86, 2559671), (149, 1477394), (298, 738697), (419, 525374), (838, 262687), (1763, 124862), (3526, 62431), (6109, 36034), (6407, 34358), (12218, 18017), (12814, 17179)]