209888904281

素因数分解:

$7^1\times {\mathrm{331}}^1\times {\mathrm{11119}}^1\times {\mathrm{8147}}^1$

素因数の和:19604

約数の個数: 16

約数和(自身を含む): 240648898560

約数和(自身を除く): 30759994279

約数列:

[1, 7, 331, 2317, 8147, 11119, 57029, 77833, 2696657, 3680389, 18876599, 25762723, 90586493, 634105451, 29984129183, 209888904281]

約数ペア:

[(1, 209888904281), (7, 29984129183), (331, 634105451), (2317, 90586493), (8147, 25762723), (11119, 18876599), (57029, 3680389), (77833, 2696657)]