1325457959

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 1574899200

約数和(自身を除く): 249441241

約数列:

[1, 7, 61, 83, 149, 251, 427, 581, 1043, 1757, 5063, 9089, 12367, 15311, 20833, 35441, 37399, 63623, 86569, 107177, 145831, 261793, 754387, 1270813, 2281339, 3104117, 5280709, 8895691, 15969373, 21728819, 189351137, 1325457959]

約数ペア:

[(1, 1325457959), (7, 189351137), (61, 21728819), (83, 15969373), (149, 8895691), (251, 5280709), (427, 3104117), (581, 2281339), (1043, 1270813), (1757, 754387), (5063, 261793), (9089, 145831), (12367, 107177), (15311, 86569), (20833, 63623), (35441, 37399)]