61291216

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 142213120

約数和(自身を除く): 80921904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 127, 139, 217, 248, 254, 278, 434, 496, 508, 556, 868, 889, 973, 1016, 1112, 1736, 1778, 1946, 2032, 2224, 3472, 3556, 3892, 3937, 4309, 7112, 7784, 7874, 8618, 14224, 15568, 15748, 17236, 17653, 27559, 30163, 31496, 34472, 35306, 55118, 60326, 62992, 68944, 70612, 110236, 120652, 123571, 141224, 220472, 241304, 247142, 282448, 440944, 482608, 494284, 547243, 988568, 1094486, 1977136, 2188972, 3830701, 4377944, 7661402, 8755888, 15322804, 30645608, 61291216]

約数ペア:

[(1, 61291216), (2, 30645608), (4, 15322804), (7, 8755888), (8, 7661402), (14, 4377944), (16, 3830701), (28, 2188972), (31, 1977136), (56, 1094486), (62, 988568), (112, 547243), (124, 494284), (127, 482608), (139, 440944), (217, 282448), (248, 247142), (254, 241304), (278, 220472), (434, 141224), (496, 123571), (508, 120652), (556, 110236), (868, 70612), (889, 68944), (973, 62992), (1016, 60326), (1112, 55118), (1736, 35306), (1778, 34472), (1946, 31496), (2032, 30163), (2224, 27559), (3472, 17653), (3556, 17236), (3892, 15748), (3937, 15568), (4309, 14224), (7112, 8618), (7784, 7874)]