81897456

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39679}}^1$

素因数の和:39733

約数の個数: 40

約数和(自身を含む): 216494080

約数和(自身を除く): 134596624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 39679, 79358, 119037, 158716, 238074, 317432, 476148, 634864, 952296, 1706197, 1904592, 3412394, 5118591, 6824788, 10237182, 13649576, 20474364, 27299152, 40948728, 81897456]

約数ペア:

[(1, 81897456), (2, 40948728), (3, 27299152), (4, 20474364), (6, 13649576), (8, 10237182), (12, 6824788), (16, 5118591), (24, 3412394), (43, 1904592), (48, 1706197), (86, 952296), (129, 634864), (172, 476148), (258, 317432), (344, 238074), (516, 158716), (688, 119037), (1032, 79358), (2064, 39679)]