1280511234

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{2311}}^1$

素因数の和:2684

約数の個数: 64

約数和(自身を含む): 2947522560

約数和(自身を除く): 1667011326

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 331, 558, 662, 837, 993, 1674, 1986, 2311, 2979, 4622, 5958, 6933, 8937, 10261, 13866, 17874, 20522, 20799, 30783, 41598, 61566, 62397, 71641, 92349, 124794, 143282, 184698, 214923, 277047, 429846, 554094, 644769, 764941, 1289538, 1529882, 1934307, 2294823, 3868614, 4589646, 6884469, 13768938, 20653407, 23713171, 41306814, 47426342, 71139513, 142279026, 213418539, 426837078, 640255617, 1280511234]

約数ペア:

[(1, 1280511234), (2, 640255617), (3, 426837078), (6, 213418539), (9, 142279026), (18, 71139513), (27, 47426342), (31, 41306814), (54, 23713171), (62, 20653407), (93, 13768938), (186, 6884469), (279, 4589646), (331, 3868614), (558, 2294823), (662, 1934307), (837, 1529882), (993, 1289538), (1674, 764941), (1986, 644769), (2311, 554094), (2979, 429846), (4622, 277047), (5958, 214923), (6933, 184698), (8937, 143282), (10261, 124794), (13866, 92349), (17874, 71641), (20522, 62397), (20799, 61566), (30783, 41598)]