81994535

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{75571}}^1$

素因数の和:75614

約数の個数: 16

約数和(自身を含む): 116078592

約数和(自身を除く): 34084057

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 75571, 377855, 528997, 2342701, 2644985, 11713505, 16398907, 81994535]

約数ペア:

[(1, 81994535), (5, 16398907), (7, 11713505), (31, 2644985), (35, 2342701), (155, 528997), (217, 377855), (1085, 75571)]