17770630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 33203520

約数和(自身を除く): 15432890

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 487, 890, 974, 2435, 3649, 4870, 7298, 18245, 19967, 36490, 39934, 43343, 86686, 99835, 199670, 216715, 433430, 1777063, 3554126, 8885315, 17770630]

約数ペア:

[(1, 17770630), (2, 8885315), (5, 3554126), (10, 1777063), (41, 433430), (82, 216715), (89, 199670), (178, 99835), (205, 86686), (410, 43343), (445, 39934), (487, 36490), (890, 19967), (974, 18245), (2435, 7298), (3649, 4870)]