12978944

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 54

約数和(自身を含む): 28544460

約数和(自身を除く): 15565516

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 256, 352, 419, 484, 704, 838, 968, 1408, 1676, 1936, 2816, 3352, 3872, 4609, 6704, 7744, 9218, 13408, 15488, 18436, 26816, 30976, 36872, 50699, 53632, 73744, 101398, 107264, 147488, 202796, 294976, 405592, 589952, 811184, 1179904, 1622368, 3244736, 6489472, 12978944]

約数ペア:

[(1, 12978944), (2, 6489472), (4, 3244736), (8, 1622368), (11, 1179904), (16, 811184), (22, 589952), (32, 405592), (44, 294976), (64, 202796), (88, 147488), (121, 107264), (128, 101398), (176, 73744), (242, 53632), (256, 50699), (352, 36872), (419, 30976), (484, 26816), (704, 18436), (838, 15488), (968, 13408), (1408, 9218), (1676, 7744), (1936, 6704), (2816, 4609), (3352, 3872)]