28473872

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 66662400

約数和(自身を除く): 38188528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 59, 62, 112, 118, 124, 139, 217, 236, 248, 278, 413, 434, 472, 496, 556, 826, 868, 944, 973, 1112, 1652, 1736, 1829, 1946, 2224, 3304, 3472, 3658, 3892, 4309, 6608, 7316, 7784, 8201, 8618, 12803, 14632, 15568, 16402, 17236, 25606, 29264, 30163, 32804, 34472, 51212, 57407, 60326, 65608, 68944, 102424, 114814, 120652, 131216, 204848, 229628, 241304, 254231, 459256, 482608, 508462, 918512, 1016924, 1779617, 2033848, 3559234, 4067696, 7118468, 14236936, 28473872]

約数ペア:

[(1, 28473872), (2, 14236936), (4, 7118468), (7, 4067696), (8, 3559234), (14, 2033848), (16, 1779617), (28, 1016924), (31, 918512), (56, 508462), (59, 482608), (62, 459256), (112, 254231), (118, 241304), (124, 229628), (139, 204848), (217, 131216), (236, 120652), (248, 114814), (278, 102424), (413, 68944), (434, 65608), (472, 60326), (496, 57407), (556, 51212), (826, 34472), (868, 32804), (944, 30163), (973, 29264), (1112, 25606), (1652, 17236), (1736, 16402), (1829, 15568), (1946, 14632), (2224, 12803), (3304, 8618), (3472, 8201), (3658, 7784), (3892, 7316), (4309, 6608)]