72781619

素因数分解:

${\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 77047200

約数和(自身を除く): 4265581

約数列:

[1, 29, 89, 163, 173, 2581, 4727, 5017, 14507, 15397, 28199, 420703, 446513, 817771, 2509711, 72781619]

約数ペア:

[(1, 72781619), (29, 2509711), (89, 817771), (163, 446513), (173, 420703), (2581, 28199), (4727, 15397), (5017, 14507)]