28166268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 71801856

約数和(自身を除く): 43635588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2543, 2769, 3692, 5086, 5538, 7629, 10172, 11076, 15258, 30516, 33059, 66118, 99177, 132236, 180553, 198354, 361106, 396708, 541659, 722212, 1083318, 2166636, 2347189, 4694378, 7041567, 9388756, 14083134, 28166268]

約数ペア:

[(1, 28166268), (2, 14083134), (3, 9388756), (4, 7041567), (6, 4694378), (12, 2347189), (13, 2166636), (26, 1083318), (39, 722212), (52, 541659), (71, 396708), (78, 361106), (142, 198354), (156, 180553), (213, 132236), (284, 99177), (426, 66118), (852, 33059), (923, 30516), (1846, 15258), (2543, 11076), (2769, 10172), (3692, 7629), (5086, 5538)]