489314995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 702965952

約数和(自身を除く): 213650957

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 169, 221, 299, 391, 845, 1105, 1481, 1495, 1955, 2873, 3887, 5083, 7405, 14365, 19253, 19435, 25177, 25415, 34063, 66079, 96265, 125885, 170315, 250289, 327301, 330395, 442819, 579071, 1251445, 1636505, 2214095, 2895355, 4254913, 5756647, 7527923, 21274565, 28783235, 37639615, 97862999, 489314995]

約数ペア:

[(1, 489314995), (5, 97862999), (13, 37639615), (17, 28783235), (23, 21274565), (65, 7527923), (85, 5756647), (115, 4254913), (169, 2895355), (221, 2214095), (299, 1636505), (391, 1251445), (845, 579071), (1105, 442819), (1481, 330395), (1495, 327301), (1955, 250289), (2873, 170315), (3887, 125885), (5083, 96265), (7405, 66079), (14365, 34063), (19253, 25415), (19435, 25177)]