209486564

素因数分解:

$2^2\times 7^3\times {\mathrm{179}}^1\times {\mathrm{853}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 430416000

約数和(自身を除く): 220929436

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 179, 196, 343, 358, 686, 716, 853, 1253, 1372, 1706, 2506, 3412, 5012, 5971, 8771, 11942, 17542, 23884, 35084, 41797, 61397, 83594, 122794, 152687, 167188, 245588, 292579, 305374, 585158, 610748, 1068809, 1170316, 2137618, 4275236, 7481663, 14963326, 29926652, 52371641, 104743282, 209486564]

約数ペア:

[(1, 209486564), (2, 104743282), (4, 52371641), (7, 29926652), (14, 14963326), (28, 7481663), (49, 4275236), (98, 2137618), (179, 1170316), (196, 1068809), (343, 610748), (358, 585158), (686, 305374), (716, 292579), (853, 245588), (1253, 167188), (1372, 152687), (1706, 122794), (2506, 83594), (3412, 61397), (5012, 41797), (5971, 35084), (8771, 23884), (11942, 17542)]