28454648

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 55014960

約数和(自身を除く): 26560312

約数列:

[1, 2, 4, 8, 43, 86, 172, 181, 344, 362, 457, 724, 914, 1448, 1828, 3656, 7783, 15566, 19651, 31132, 39302, 62264, 78604, 82717, 157208, 165434, 330868, 661736, 3556831, 7113662, 14227324, 28454648]

約数ペア:

[(1, 28454648), (2, 14227324), (4, 7113662), (8, 3556831), (43, 661736), (86, 330868), (172, 165434), (181, 157208), (344, 82717), (362, 78604), (457, 62264), (724, 39302), (914, 31132), (1448, 19651), (1828, 15566), (3656, 7783)]