1638412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 3016832

約数和(自身を除く): 1378420

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 181, 292, 362, 724, 2263, 4526, 5611, 9052, 11222, 13213, 22444, 26426, 52852, 409603, 819206, 1638412]

約数ペア:

[(1, 1638412), (2, 819206), (4, 409603), (31, 52852), (62, 26426), (73, 22444), (124, 13213), (146, 11222), (181, 9052), (292, 5611), (362, 4526), (724, 2263)]