213865981

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{6977}}^1$

素因数の和:7164

約数の個数: 16

約数和(自身を含む): 254557440

約数和(自身を除く): 40691459

約数列:

[1, 7, 29, 151, 203, 1057, 4379, 6977, 30653, 48839, 202333, 1053527, 1416331, 7374689, 30552283, 213865981]

約数ペア:

[(1, 213865981), (7, 30552283), (29, 7374689), (151, 1416331), (203, 1053527), (1057, 202333), (4379, 48839), (6977, 30653)]