1868405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 2930688

約数和(自身を除く): 1062283

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 211, 253, 385, 805, 1055, 1265, 1477, 1771, 2321, 4853, 7385, 8855, 11605, 16247, 24265, 33971, 53383, 81235, 169855, 266915, 373681, 1868405]

約数ペア:

[(1, 1868405), (5, 373681), (7, 266915), (11, 169855), (23, 81235), (35, 53383), (55, 33971), (77, 24265), (115, 16247), (161, 11605), (211, 8855), (253, 7385), (385, 4853), (805, 2321), (1055, 1771), (1265, 1477)]