28205736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90403}}^1$

素因数の和:90425

約数の個数: 32

約数和(自身を含む): 75939360

約数和(自身を除く): 47733624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90403, 180806, 271209, 361612, 542418, 723224, 1084836, 1175239, 2169672, 2350478, 3525717, 4700956, 7051434, 9401912, 14102868, 28205736]

約数ペア:

[(1, 28205736), (2, 14102868), (3, 9401912), (4, 7051434), (6, 4700956), (8, 3525717), (12, 2350478), (13, 2169672), (24, 1175239), (26, 1084836), (39, 723224), (52, 542418), (78, 361612), (104, 271209), (156, 180806), (312, 90403)]