71640452

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{105977}}^1$

素因数の和:106007

約数の個数: 18

約数和(自身を含む): 135757818

約数和(自身を除く): 64117366

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 105977, 211954, 423908, 1377701, 2755402, 5510804, 17910113, 35820226, 71640452]

約数ペア:

[(1, 71640452), (2, 35820226), (4, 17910113), (13, 5510804), (26, 2755402), (52, 1377701), (169, 423908), (338, 211954), (676, 105977)]