7217203

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 8642560

約数和(自身を除く): 1425357

約数列:

[1, 7, 31, 79, 217, 421, 553, 2449, 2947, 13051, 17143, 33259, 91357, 232813, 1031029, 7217203]

約数ペア:

[(1, 7217203), (7, 1031029), (31, 232813), (79, 91357), (217, 33259), (421, 17143), (553, 13051), (2449, 2947)]