140405678

素因数分解:

$2^1\times 7^5\times {\mathrm{4177}}^1$

素因数の和:4214

約数の個数: 24

約数和(自身を含む): 245766672

約数和(自身を除く): 105360994

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4177, 4802, 8354, 16807, 29239, 33614, 58478, 204673, 409346, 1432711, 2865422, 10028977, 20057954, 70202839, 140405678]

約数ペア:

[(1, 140405678), (2, 70202839), (7, 20057954), (14, 10028977), (49, 2865422), (98, 1432711), (343, 409346), (686, 204673), (2401, 58478), (4177, 33614), (4802, 29239), (8354, 16807)]