1945405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 3022848

約数和(自身を除く): 1077443

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 163, 217, 341, 385, 815, 1085, 1141, 1705, 1793, 2387, 5053, 5705, 8965, 11935, 12551, 25265, 35371, 55583, 62755, 176855, 277915, 389081, 1945405]

約数ペア:

[(1, 1945405), (5, 389081), (7, 277915), (11, 176855), (31, 62755), (35, 55583), (55, 35371), (77, 25265), (155, 12551), (163, 11935), (217, 8965), (341, 5705), (385, 5053), (815, 2387), (1085, 1793), (1141, 1705)]