12880028

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7541}}^1$

素因数の和:7613

約数の個数: 24

約数和(自身を含む): 26185824

約数和(自身を除く): 13305796

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 7541, 15082, 30164, 52787, 105574, 211148, 460001, 920002, 1840004, 3220007, 6440014, 12880028]

約数ペア:

[(1, 12880028), (2, 6440014), (4, 3220007), (7, 1840004), (14, 920002), (28, 460001), (61, 211148), (122, 105574), (244, 52787), (427, 30164), (854, 15082), (1708, 7541)]