12897115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 19514880

約数和(自身を除く): 6617765

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 241, 385, 695, 973, 1205, 1529, 1687, 2651, 4865, 7645, 8435, 10703, 13255, 18557, 33499, 53515, 92785, 167495, 234493, 368489, 1172465, 1842445, 2579423, 12897115]

約数ペア:

[(1, 12897115), (5, 2579423), (7, 1842445), (11, 1172465), (35, 368489), (55, 234493), (77, 167495), (139, 92785), (241, 53515), (385, 33499), (695, 18557), (973, 13255), (1205, 10703), (1529, 8435), (1687, 7645), (2651, 4865)]