28212426

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3851}}^1$

素因数の和:3907

約数の個数: 48

約数和(自身を含む): 68503968

約数和(自身を除く): 40291542

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 3663, 3851, 7326, 7702, 11553, 23106, 34659, 42361, 69318, 84722, 127083, 142487, 254166, 284974, 381249, 427461, 762498, 854922, 1282383, 1567357, 2564766, 3134714, 4702071, 9404142, 14106213, 28212426]

約数ペア:

[(1, 28212426), (2, 14106213), (3, 9404142), (6, 4702071), (9, 3134714), (11, 2564766), (18, 1567357), (22, 1282383), (33, 854922), (37, 762498), (66, 427461), (74, 381249), (99, 284974), (111, 254166), (198, 142487), (222, 127083), (333, 84722), (407, 69318), (666, 42361), (814, 34659), (1221, 23106), (2442, 11553), (3663, 7702), (3851, 7326)]