402661

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 16

約数和(自身を含む): 499968

約数和(自身を除く): 97307

約数列:

[1, 7, 23, 41, 61, 161, 287, 427, 943, 1403, 2501, 6601, 9821, 17507, 57523, 402661]

約数ペア:

[(1, 402661), (7, 57523), (23, 17507), (41, 9821), (61, 6601), (161, 2501), (287, 1403), (427, 943)]