78781864

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 176400000

約数和(自身を除く): 97618136

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 139, 203, 232, 278, 349, 406, 556, 698, 812, 973, 1112, 1396, 1624, 1946, 2443, 2792, 3892, 4031, 4886, 7784, 8062, 9772, 10121, 16124, 19544, 20242, 28217, 32248, 40484, 48511, 56434, 70847, 80968, 97022, 112868, 141694, 194044, 225736, 283388, 339577, 388088, 566776, 679154, 1358308, 1406819, 2716616, 2813638, 5627276, 9847733, 11254552, 19695466, 39390932, 78781864]

約数ペア:

[(1, 78781864), (2, 39390932), (4, 19695466), (7, 11254552), (8, 9847733), (14, 5627276), (28, 2813638), (29, 2716616), (56, 1406819), (58, 1358308), (116, 679154), (139, 566776), (203, 388088), (232, 339577), (278, 283388), (349, 225736), (406, 194044), (556, 141694), (698, 112868), (812, 97022), (973, 80968), (1112, 70847), (1396, 56434), (1624, 48511), (1946, 40484), (2443, 32248), (2792, 28217), (3892, 20242), (4031, 19544), (4886, 16124), (7784, 10121), (8062, 9772)]