257714138305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{686789}}^1$

素因数の和:687081

約数の個数: 32

約数和(自身を含む): 348911297280

約数和(自身を除く): 91197158975

約数列:

[1, 5, 13, 23, 65, 115, 251, 299, 1255, 1495, 3263, 5773, 16315, 28865, 75049, 375245, 686789, 3433945, 8928257, 15796147, 44641285, 78980735, 172384039, 205349911, 861920195, 1026749555, 2240992507, 3964832897, 11204962535, 19824164485, 51542827661, 257714138305]

約数ペア:

[(1, 257714138305), (5, 51542827661), (13, 19824164485), (23, 11204962535), (65, 3964832897), (115, 2240992507), (251, 1026749555), (299, 861920195), (1255, 205349911), (1495, 172384039), (3263, 78980735), (5773, 44641285), (16315, 15796147), (28865, 8928257), (75049, 3433945), (375245, 686789)]