71645903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8831}}^1$

素因数の和:8918

約数の個数: 16

約数和(自身を含む): 87613440

約数和(自身を除く): 15967537

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 8831, 61817, 167789, 538691, 1174523, 3770837, 10235129, 71645903]

約数ペア:

[(1, 71645903), (7, 10235129), (19, 3770837), (61, 1174523), (133, 538691), (427, 167789), (1159, 61817), (8113, 8831)]