78563996

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{7213}}^1$

素因数の和:7613

約数の個数: 24

約数和(自身を含む): 157553760

約数和(自身を除く): 78989764

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 7213, 10892, 14426, 28852, 50491, 100982, 201964, 2805857, 5611714, 11223428, 19640999, 39281998, 78563996]

約数ペア:

[(1, 78563996), (2, 39281998), (4, 19640999), (7, 11223428), (14, 5611714), (28, 2805857), (389, 201964), (778, 100982), (1556, 50491), (2723, 28852), (5446, 14426), (7213, 10892)]