821870413

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{153077}}^1$

素因数の和:153156

約数の個数: 16

約数和(自身を含む): 1028684160

約数和(自身を除く): 206813747

約数列:

[1, 7, 13, 59, 91, 413, 767, 5369, 153077, 1071539, 1990001, 9031543, 13930007, 63220801, 117410059, 821870413]

約数ペア:

[(1, 821870413), (7, 117410059), (13, 63220801), (59, 13930007), (91, 9031543), (413, 1990001), (767, 1071539), (5369, 153077)]