51333256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 107956800

約数和(自身を除く): 56623544

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 67, 104, 106, 134, 139, 212, 268, 278, 424, 536, 556, 689, 871, 1112, 1378, 1742, 1807, 2756, 3484, 3551, 3614, 5512, 6968, 7102, 7228, 7367, 9313, 14204, 14456, 14734, 18626, 28408, 29468, 37252, 46163, 58936, 74504, 92326, 95771, 121069, 184652, 191542, 242138, 369304, 383084, 484276, 493589, 766168, 968552, 987178, 1974356, 3948712, 6416657, 12833314, 25666628, 51333256]

約数ペア:

[(1, 51333256), (2, 25666628), (4, 12833314), (8, 6416657), (13, 3948712), (26, 1974356), (52, 987178), (53, 968552), (67, 766168), (104, 493589), (106, 484276), (134, 383084), (139, 369304), (212, 242138), (268, 191542), (278, 184652), (424, 121069), (536, 95771), (556, 92326), (689, 74504), (871, 58936), (1112, 46163), (1378, 37252), (1742, 29468), (1807, 28408), (2756, 18626), (3484, 14734), (3551, 14456), (3614, 14204), (5512, 9313), (6968, 7367), (7102, 7228)]