391488894713

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{29575349}}^1$

素因数の和:29575448

約数の個数: 16

約数和(自身を含む): 469419955200

約数和(自身を除く): 77931060487

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 29575349, 207027443, 916835819, 1804096289, 6417850733, 12628674023, 55926984959, 391488894713]

約数ペア:

[(1, 391488894713), (7, 55926984959), (31, 12628674023), (61, 6417850733), (217, 1804096289), (427, 916835819), (1891, 207027443), (13237, 29575349)]