664762276

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{39749}}^1$

素因数の和:39903

約数の個数: 24

約数和(自身を含む): 1205379000

約数和(自身を除く): 540616724

約数列:

[1, 2, 4, 37, 74, 113, 148, 226, 452, 4181, 8362, 16724, 39749, 79498, 158996, 1470713, 2941426, 4491637, 5882852, 8983274, 17966548, 166190569, 332381138, 664762276]

約数ペア:

[(1, 664762276), (2, 332381138), (4, 166190569), (37, 17966548), (74, 8983274), (113, 5882852), (148, 4491637), (226, 2941426), (452, 1470713), (4181, 158996), (8362, 79498), (16724, 39749)]