7881972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 21245952

約数和(自身を除く): 13363980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 911, 1236, 1442, 1822, 2163, 2733, 2884, 3644, 4326, 5466, 6377, 8652, 10932, 12754, 19131, 25508, 38262, 76524, 93833, 187666, 281499, 375332, 562998, 656831, 1125996, 1313662, 1970493, 2627324, 3940986, 7881972]

約数ペア:

[(1, 7881972), (2, 3940986), (3, 2627324), (4, 1970493), (6, 1313662), (7, 1125996), (12, 656831), (14, 562998), (21, 375332), (28, 281499), (42, 187666), (84, 93833), (103, 76524), (206, 38262), (309, 25508), (412, 19131), (618, 12754), (721, 10932), (911, 8652), (1236, 6377), (1442, 5466), (1822, 4326), (2163, 3644), (2733, 2884)]