64734176

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2635

約数の個数: 48

約数和(自身を含む): 139553568

約数和(自身を除く): 74819392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1586, 1952, 2551, 3172, 5102, 6344, 10204, 12688, 20408, 25376, 33163, 40816, 66326, 81632, 132652, 155611, 265304, 311222, 530608, 622444, 1061216, 1244888, 2022943, 2489776, 4045886, 4979552, 8091772, 16183544, 32367088, 64734176]

約数ペア:

[(1, 64734176), (2, 32367088), (4, 16183544), (8, 8091772), (13, 4979552), (16, 4045886), (26, 2489776), (32, 2022943), (52, 1244888), (61, 1061216), (104, 622444), (122, 530608), (208, 311222), (244, 265304), (416, 155611), (488, 132652), (793, 81632), (976, 66326), (1586, 40816), (1952, 33163), (2551, 25376), (3172, 20408), (5102, 12688), (6344, 10204)]