260014391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 335978496

約数和(自身を除く): 75964105

約数列:

[1, 7, 13, 31, 61, 91, 217, 403, 427, 793, 1511, 1891, 2821, 5551, 10577, 13237, 19643, 24583, 46841, 92171, 137501, 172081, 327887, 608933, 645197, 1198223, 2857301, 4262531, 8387561, 20001107, 37144913, 260014391]

約数ペア:

[(1, 260014391), (7, 37144913), (13, 20001107), (31, 8387561), (61, 4262531), (91, 2857301), (217, 1198223), (403, 645197), (427, 608933), (793, 327887), (1511, 172081), (1891, 137501), (2821, 92171), (5551, 46841), (10577, 24583), (13237, 19643)]