253149715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{556373}}^1$

素因数の和:556398

約数の個数: 16

約数和(自身を含む): 373883328

約数和(自身を除く): 120733613

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 556373, 2781865, 3894611, 7232849, 19473055, 36164245, 50629943, 253149715]

約数ペア:

[(1, 253149715), (5, 50629943), (7, 36164245), (13, 19473055), (35, 7232849), (65, 3894611), (91, 2781865), (455, 556373)]