81201428

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37663}}^1$

素因数の和:37692

約数の個数: 36

約数和(自身を含む): 180335232

約数和(自身を除く): 99133804

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 37663, 75326, 150652, 263641, 414293, 527282, 828586, 1054564, 1657172, 1845487, 2900051, 3690974, 5800102, 7381948, 11600204, 20300357, 40600714, 81201428]

約数ペア:

[(1, 81201428), (2, 40600714), (4, 20300357), (7, 11600204), (11, 7381948), (14, 5800102), (22, 3690974), (28, 2900051), (44, 1845487), (49, 1657172), (77, 1054564), (98, 828586), (154, 527282), (196, 414293), (308, 263641), (539, 150652), (1078, 75326), (2156, 37663)]