2931719

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 3720960

約数和(自身を除く): 789241

約数列:

[1, 7, 19, 47, 49, 67, 133, 329, 469, 893, 931, 1273, 2303, 3149, 3283, 6251, 8911, 22043, 43757, 59831, 62377, 154301, 418817, 2931719]

約数ペア:

[(1, 2931719), (7, 418817), (19, 154301), (47, 62377), (49, 59831), (67, 43757), (133, 22043), (329, 8911), (469, 6251), (893, 3283), (931, 3149), (1273, 2303)]