208969264

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 482191360

約数和(自身を除く): 273222096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 139, 217, 248, 278, 433, 434, 496, 556, 866, 868, 973, 1112, 1732, 1736, 1946, 2224, 3031, 3464, 3472, 3892, 4309, 6062, 6928, 7784, 8618, 12124, 13423, 15568, 17236, 24248, 26846, 30163, 34472, 48496, 53692, 60187, 60326, 68944, 93961, 107384, 120374, 120652, 187922, 214768, 240748, 241304, 375844, 421309, 481496, 482608, 751688, 842618, 962992, 1503376, 1685236, 1865797, 3370472, 3731594, 6740944, 7463188, 13060579, 14926376, 26121158, 29852752, 52242316, 104484632, 208969264]

約数ペア:

[(1, 208969264), (2, 104484632), (4, 52242316), (7, 29852752), (8, 26121158), (14, 14926376), (16, 13060579), (28, 7463188), (31, 6740944), (56, 3731594), (62, 3370472), (112, 1865797), (124, 1685236), (139, 1503376), (217, 962992), (248, 842618), (278, 751688), (433, 482608), (434, 481496), (496, 421309), (556, 375844), (866, 241304), (868, 240748), (973, 214768), (1112, 187922), (1732, 120652), (1736, 120374), (1946, 107384), (2224, 93961), (3031, 68944), (3464, 60326), (3472, 60187), (3892, 53692), (4309, 48496), (6062, 34472), (6928, 30163), (7784, 26846), (8618, 24248), (12124, 17236), (13423, 15568)]