78928404

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 187608960

約数和(自身を除く): 108680556

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 263, 267, 281, 356, 526, 534, 562, 789, 843, 1052, 1068, 1124, 1578, 1686, 3156, 3372, 23407, 25009, 46814, 50018, 70221, 73903, 75027, 93628, 100036, 140442, 147806, 150054, 221709, 280884, 295612, 300108, 443418, 886836, 6577367, 13154734, 19732101, 26309468, 39464202, 78928404]

約数ペア:

[(1, 78928404), (2, 39464202), (3, 26309468), (4, 19732101), (6, 13154734), (12, 6577367), (89, 886836), (178, 443418), (263, 300108), (267, 295612), (281, 280884), (356, 221709), (526, 150054), (534, 147806), (562, 140442), (789, 100036), (843, 93628), (1052, 75027), (1068, 73903), (1124, 70221), (1578, 50018), (1686, 46814), (3156, 25009), (3372, 23407)]