13219703

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 15588864

約数和(自身を除く): 2369161

約数列:

[1, 7, 67, 71, 397, 469, 497, 2779, 4757, 26599, 28187, 33299, 186193, 197309, 1888529, 13219703]

約数ペア:

[(1, 13219703), (7, 1888529), (67, 197309), (71, 186193), (397, 33299), (469, 28187), (497, 26599), (2779, 4757)]