81408152

素因数分解:

$2^3\times 7^1\times {\mathrm{457}}^1\times {\mathrm{3181}}^1$

素因数の和:3651

約数の個数: 32

約数和(自身を含む): 174882720

約数和(自身を除く): 93474568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 457, 914, 1828, 3181, 3199, 3656, 6362, 6398, 12724, 12796, 22267, 25448, 25592, 44534, 89068, 178136, 1453717, 2907434, 5814868, 10176019, 11629736, 20352038, 40704076, 81408152]

約数ペア:

[(1, 81408152), (2, 40704076), (4, 20352038), (7, 11629736), (8, 10176019), (14, 5814868), (28, 2907434), (56, 1453717), (457, 178136), (914, 89068), (1828, 44534), (3181, 25592), (3199, 25448), (3656, 22267), (6362, 12796), (6398, 12724)]