8213128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 19584000

約数和(自身を除く): 11370872

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 67, 77, 88, 134, 154, 199, 268, 308, 398, 469, 536, 616, 737, 796, 938, 1393, 1474, 1592, 1876, 2189, 2786, 2948, 3752, 4378, 5159, 5572, 5896, 8756, 10318, 11144, 13333, 15323, 17512, 20636, 26666, 30646, 41272, 53332, 61292, 93331, 106664, 122584, 146663, 186662, 293326, 373324, 586652, 746648, 1026641, 1173304, 2053282, 4106564, 8213128]

約数ペア:

[(1, 8213128), (2, 4106564), (4, 2053282), (7, 1173304), (8, 1026641), (11, 746648), (14, 586652), (22, 373324), (28, 293326), (44, 186662), (56, 146663), (67, 122584), (77, 106664), (88, 93331), (134, 61292), (154, 53332), (199, 41272), (268, 30646), (308, 26666), (398, 20636), (469, 17512), (536, 15323), (616, 13333), (737, 11144), (796, 10318), (938, 8756), (1393, 5896), (1474, 5572), (1592, 5159), (1876, 4378), (2189, 3752), (2786, 2948)]