12921535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 17003520

約数和(自身を除く): 4081985

約数列:

[1, 5, 11, 55, 239, 983, 1195, 2629, 4915, 10813, 13145, 54065, 234937, 1174685, 2584307, 12921535]

約数ペア:

[(1, 12921535), (5, 2584307), (11, 1174685), (55, 234937), (239, 54065), (983, 13145), (1195, 10813), (2629, 4915)]