428708

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 874944

約数和(自身を除く): 446236

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 251, 427, 502, 854, 1004, 1708, 1757, 3514, 7028, 15311, 30622, 61244, 107177, 214354, 428708]

約数ペア:

[(1, 428708), (2, 214354), (4, 107177), (7, 61244), (14, 30622), (28, 15311), (61, 7028), (122, 3514), (244, 1757), (251, 1708), (427, 1004), (502, 854)]