12940516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 23690240

約数和(自身を除く): 10749724

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 1321, 2449, 2642, 4898, 5284, 9796, 40951, 81902, 104359, 163804, 208718, 417436, 3235129, 6470258, 12940516]

約数ペア:

[(1, 12940516), (2, 6470258), (4, 3235129), (31, 417436), (62, 208718), (79, 163804), (124, 104359), (158, 81902), (316, 40951), (1321, 9796), (2449, 5284), (2642, 4898)]