290919587

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{2729}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 338170560

約数和(自身を除く): 47250973

約数列:

[1, 7, 97, 157, 679, 1099, 2729, 15229, 19103, 106603, 264713, 428453, 1852991, 2999171, 41559941, 290919587]

約数ペア:

[(1, 290919587), (7, 41559941), (97, 2999171), (157, 1852991), (679, 428453), (1099, 264713), (2729, 106603), (15229, 19103)]