128857417

素因数分解:

${\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 141261120

約数和(自身を除く): 12403703

約数列:

[1, 13, 83, 307, 389, 1079, 3991, 5057, 25481, 32287, 119423, 331253, 419731, 1552499, 9912109, 128857417]

約数ペア:

[(1, 128857417), (13, 9912109), (83, 1552499), (307, 419731), (389, 331253), (1079, 119423), (3991, 32287), (5057, 25481)]