209451872

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 108

約数和(自身を含む): 499220820

約数和(自身を除く): 289768948

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 139, 196, 217, 224, 248, 278, 392, 434, 496, 556, 784, 868, 961, 973, 992, 1112, 1519, 1568, 1736, 1922, 1946, 2224, 3038, 3472, 3844, 3892, 4309, 4448, 6076, 6727, 6811, 6944, 7688, 7784, 8618, 12152, 13454, 13622, 15376, 15568, 17236, 24304, 26908, 27244, 30163, 30752, 31136, 34472, 47089, 48608, 53816, 54488, 60326, 68944, 94178, 107632, 108976, 120652, 133579, 137888, 188356, 211141, 215264, 217952, 241304, 267158, 376712, 422282, 482608, 534316, 753424, 844564, 935053, 965216, 1068632, 1506848, 1689128, 1870106, 2137264, 3378256, 3740212, 4274528, 6545371, 6756512, 7480424, 13090742, 14960848, 26181484, 29921696, 52362968, 104725936, 209451872]

約数ペア:

[(1, 209451872), (2, 104725936), (4, 52362968), (7, 29921696), (8, 26181484), (14, 14960848), (16, 13090742), (28, 7480424), (31, 6756512), (32, 6545371), (49, 4274528), (56, 3740212), (62, 3378256), (98, 2137264), (112, 1870106), (124, 1689128), (139, 1506848), (196, 1068632), (217, 965216), (224, 935053), (248, 844564), (278, 753424), (392, 534316), (434, 482608), (496, 422282), (556, 376712), (784, 267158), (868, 241304), (961, 217952), (973, 215264), (992, 211141), (1112, 188356), (1519, 137888), (1568, 133579), (1736, 120652), (1922, 108976), (1946, 107632), (2224, 94178), (3038, 68944), (3472, 60326), (3844, 54488), (3892, 53816), (4309, 48608), (4448, 47089), (6076, 34472), (6727, 31136), (6811, 30752), (6944, 30163), (7688, 27244), (7784, 26908), (8618, 24304), (12152, 17236), (13454, 15568), (13622, 15376)]