81442766

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{2129}}^1$

素因数の和:2779

約数の個数: 16

約数和(自身を含む): 126368640

約数和(自身を除く): 44925874

約数列:

[1, 2, 31, 62, 617, 1234, 2129, 4258, 19127, 38254, 65999, 131998, 1313593, 2627186, 40721383, 81442766]

約数ペア:

[(1, 81442766), (2, 40721383), (31, 2627186), (62, 1313593), (617, 131998), (1234, 65999), (2129, 38254), (4258, 19127)]