128245873

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1\times {\mathrm{719}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 149022720

約数和(自身を除く): 20776847

約数列:

[1, 7, 83, 307, 581, 719, 2149, 5033, 25481, 59677, 178367, 220733, 417739, 1545131, 18320839, 128245873]

約数ペア:

[(1, 128245873), (7, 18320839), (83, 1545131), (307, 417739), (581, 220733), (719, 178367), (2149, 59677), (5033, 25481)]