131217828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2437}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 350603904

約数和(自身を除く): 219386076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 641, 1282, 1923, 2437, 2564, 3846, 4487, 4874, 7311, 7692, 8974, 9748, 13461, 14622, 17059, 17948, 26922, 29244, 34118, 51177, 53844, 68236, 102354, 204708, 1562117, 3124234, 4686351, 6248468, 9372702, 10934819, 18745404, 21869638, 32804457, 43739276, 65608914, 131217828]

約数ペア:

[(1, 131217828), (2, 65608914), (3, 43739276), (4, 32804457), (6, 21869638), (7, 18745404), (12, 10934819), (14, 9372702), (21, 6248468), (28, 4686351), (42, 3124234), (84, 1562117), (641, 204708), (1282, 102354), (1923, 68236), (2437, 53844), (2564, 51177), (3846, 34118), (4487, 29244), (4874, 26922), (7311, 17948), (7692, 17059), (8974, 14622), (9748, 13461)]