12904528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8863}}^1$

素因数の和:8891

約数の個数: 40

約数和(自身を含む): 30775808

約数和(自身を除く): 17871280

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 8863, 17726, 35452, 62041, 70904, 115219, 124082, 141808, 230438, 248164, 460876, 496328, 806533, 921752, 992656, 1613066, 1843504, 3226132, 6452264, 12904528]

約数ペア:

[(1, 12904528), (2, 6452264), (4, 3226132), (7, 1843504), (8, 1613066), (13, 992656), (14, 921752), (16, 806533), (26, 496328), (28, 460876), (52, 248164), (56, 230438), (91, 141808), (104, 124082), (112, 115219), (182, 70904), (208, 62041), (364, 35452), (728, 17726), (1456, 8863)]