28143492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{809}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 71124480

約数和(自身を除く): 42980988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 223, 446, 669, 809, 892, 1338, 1618, 2427, 2676, 2899, 3236, 4854, 5798, 8697, 9708, 10517, 11596, 17394, 21034, 31551, 34788, 42068, 63102, 126204, 180407, 360814, 541221, 721628, 1082442, 2164884, 2345291, 4690582, 7035873, 9381164, 14071746, 28143492]

約数ペア:

[(1, 28143492), (2, 14071746), (3, 9381164), (4, 7035873), (6, 4690582), (12, 2345291), (13, 2164884), (26, 1082442), (39, 721628), (52, 541221), (78, 360814), (156, 180407), (223, 126204), (446, 63102), (669, 42068), (809, 34788), (892, 31551), (1338, 21034), (1618, 17394), (2427, 11596), (2676, 10517), (2899, 9708), (3236, 8697), (4854, 5798)]