12958855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 7201145

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1499, 1729, 7495, 8645, 10493, 19487, 28481, 52465, 97435, 136409, 142405, 199367, 370253, 682045, 996835, 1851265, 2591771, 12958855]

約数ペア:

[(1, 12958855), (5, 2591771), (7, 1851265), (13, 996835), (19, 682045), (35, 370253), (65, 199367), (91, 142405), (95, 136409), (133, 97435), (247, 52465), (455, 28481), (665, 19487), (1235, 10493), (1499, 8645), (1729, 7495)]