28081956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1697}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 75309696

約数和(自身を除く): 47227740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 197, 394, 591, 788, 1182, 1379, 1697, 2364, 2758, 3394, 4137, 5091, 5516, 6788, 8274, 10182, 11879, 16548, 20364, 23758, 35637, 47516, 71274, 142548, 334309, 668618, 1002927, 1337236, 2005854, 2340163, 4011708, 4680326, 7020489, 9360652, 14040978, 28081956]

約数ペア:

[(1, 28081956), (2, 14040978), (3, 9360652), (4, 7020489), (6, 4680326), (7, 4011708), (12, 2340163), (14, 2005854), (21, 1337236), (28, 1002927), (42, 668618), (84, 334309), (197, 142548), (394, 71274), (591, 47516), (788, 35637), (1182, 23758), (1379, 20364), (1697, 16548), (2364, 11879), (2758, 10182), (3394, 8274), (4137, 6788), (5091, 5516)]