258936704

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2639

約数の個数: 64

約数和(自身を含む): 564859680

約数和(自身を除く): 305922976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 416, 488, 793, 832, 976, 1586, 1664, 1952, 2551, 3172, 3904, 5102, 6344, 7808, 10204, 12688, 20408, 25376, 33163, 40816, 50752, 66326, 81632, 101504, 132652, 155611, 163264, 265304, 311222, 326528, 530608, 622444, 1061216, 1244888, 2022943, 2122432, 2489776, 4045886, 4244864, 4979552, 8091772, 9959104, 16183544, 19918208, 32367088, 64734176, 129468352, 258936704]

約数ペア:

[(1, 258936704), (2, 129468352), (4, 64734176), (8, 32367088), (13, 19918208), (16, 16183544), (26, 9959104), (32, 8091772), (52, 4979552), (61, 4244864), (64, 4045886), (104, 2489776), (122, 2122432), (128, 2022943), (208, 1244888), (244, 1061216), (416, 622444), (488, 530608), (793, 326528), (832, 311222), (976, 265304), (1586, 163264), (1664, 155611), (1952, 132652), (2551, 101504), (3172, 81632), (3904, 66326), (5102, 50752), (6344, 40816), (7808, 33163), (10204, 25376), (12688, 20408)]