28709616

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 80689280

約数和(自身を除く): 51979664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 139, 156, 208, 278, 312, 331, 417, 556, 624, 662, 834, 993, 1112, 1324, 1668, 1807, 1986, 2224, 2648, 3336, 3614, 3972, 4303, 5296, 5421, 6672, 7228, 7944, 8606, 10842, 12909, 14456, 15888, 17212, 21684, 25818, 28912, 34424, 43368, 46009, 51636, 68848, 86736, 92018, 103272, 138027, 184036, 206544, 276054, 368072, 552108, 598117, 736144, 1104216, 1196234, 1794351, 2208432, 2392468, 3588702, 4784936, 7177404, 9569872, 14354808, 28709616]

約数ペア:

[(1, 28709616), (2, 14354808), (3, 9569872), (4, 7177404), (6, 4784936), (8, 3588702), (12, 2392468), (13, 2208432), (16, 1794351), (24, 1196234), (26, 1104216), (39, 736144), (48, 598117), (52, 552108), (78, 368072), (104, 276054), (139, 206544), (156, 184036), (208, 138027), (278, 103272), (312, 92018), (331, 86736), (417, 68848), (556, 51636), (624, 46009), (662, 43368), (834, 34424), (993, 28912), (1112, 25818), (1324, 21684), (1668, 17212), (1807, 15888), (1986, 14456), (2224, 12909), (2648, 10842), (3336, 8606), (3614, 7944), (3972, 7228), (4303, 6672), (5296, 5421)]