28729316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 64401792

約数和(自身を除く): 35672476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2521, 2849, 5042, 5698, 10084, 11396, 17647, 27731, 35294, 55462, 70588, 93277, 110924, 186554, 194117, 373108, 388234, 652939, 776468, 1026047, 1305878, 2052094, 2611756, 4104188, 7182329, 14364658, 28729316]

約数ペア:

[(1, 28729316), (2, 14364658), (4, 7182329), (7, 4104188), (11, 2611756), (14, 2052094), (22, 1305878), (28, 1026047), (37, 776468), (44, 652939), (74, 388234), (77, 373108), (148, 194117), (154, 186554), (259, 110924), (308, 93277), (407, 70588), (518, 55462), (814, 35294), (1036, 27731), (1628, 17647), (2521, 11396), (2849, 10084), (5042, 5698)]