15561490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1697}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 32275584

約数和(自身を除く): 16714094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1697, 1834, 3394, 4585, 8485, 9170, 11879, 16970, 23758, 59395, 118790, 222307, 444614, 1111535, 1556149, 2223070, 3112298, 7780745, 15561490]

約数ペア:

[(1, 15561490), (2, 7780745), (5, 3112298), (7, 2223070), (10, 1556149), (14, 1111535), (35, 444614), (70, 222307), (131, 118790), (262, 59395), (655, 23758), (917, 16970), (1310, 11879), (1697, 9170), (1834, 8485), (3394, 4585)]