278856

素因数分解:

$2^3\times 3^3\times {\mathrm{1291}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 775200

約数和(自身を除く): 496344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 1291, 2582, 3873, 5164, 7746, 10328, 11619, 15492, 23238, 30984, 34857, 46476, 69714, 92952, 139428, 278856]

約数ペア:

[(1, 278856), (2, 139428), (3, 92952), (4, 69714), (6, 46476), (8, 34857), (9, 30984), (12, 23238), (18, 15492), (24, 11619), (27, 10328), (36, 7746), (54, 5164), (72, 3873), (108, 2582), (216, 1291)]