278128956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3311059}}^1$

素因数の和:3311073

約数の個数: 24

約数和(自身を含む): 741677440

約数和(自身を除く): 463548484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3311059, 6622118, 9933177, 13244236, 19866354, 23177413, 39732708, 46354826, 69532239, 92709652, 139064478, 278128956]

約数ペア:

[(1, 278128956), (2, 139064478), (3, 92709652), (4, 69532239), (6, 46354826), (7, 39732708), (12, 23177413), (14, 19866354), (21, 13244236), (28, 9933177), (42, 6622118), (84, 3311059)]