260990054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1789}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 437848320

約数和(自身を除く): 176858266

約数列:

[1, 2, 13, 26, 31, 62, 181, 362, 403, 806, 1789, 2353, 3578, 4706, 5611, 11222, 23257, 46514, 55459, 72943, 110918, 145886, 323809, 647618, 720967, 1441934, 4209517, 8419034, 10038079, 20076158, 130495027, 260990054]

約数ペア:

[(1, 260990054), (2, 130495027), (13, 20076158), (26, 10038079), (31, 8419034), (62, 4209517), (181, 1441934), (362, 720967), (403, 647618), (806, 323809), (1789, 145886), (2353, 110918), (3578, 72943), (4706, 55459), (5611, 46514), (11222, 23257)]