16861210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 14818790

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 499, 545, 998, 1090, 2495, 3379, 4990, 6758, 15469, 16895, 30938, 33790, 54391, 77345, 108782, 154690, 271955, 543910, 1686121, 3372242, 8430605, 16861210]

約数ペア:

[(1, 16861210), (2, 8430605), (5, 3372242), (10, 1686121), (31, 543910), (62, 271955), (109, 154690), (155, 108782), (218, 77345), (310, 54391), (499, 33790), (545, 30938), (998, 16895), (1090, 15469), (2495, 6758), (3379, 4990)]