28245704

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 59312400

約数和(自身を除く): 31066696

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 578, 643, 646, 1156, 1286, 1292, 2312, 2572, 2584, 5144, 5491, 10931, 10982, 12217, 21862, 21964, 24434, 43724, 43928, 48868, 87448, 97736, 185827, 207689, 371654, 415378, 743308, 830756, 1486616, 1661512, 3530713, 7061426, 14122852, 28245704]

約数ペア:

[(1, 28245704), (2, 14122852), (4, 7061426), (8, 3530713), (17, 1661512), (19, 1486616), (34, 830756), (38, 743308), (68, 415378), (76, 371654), (136, 207689), (152, 185827), (289, 97736), (323, 87448), (578, 48868), (643, 43928), (646, 43724), (1156, 24434), (1286, 21964), (1292, 21862), (2312, 12217), (2572, 10982), (2584, 10931), (5144, 5491)]