1968958418

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{219407}}^1$

素因数の和:220057

約数の個数: 16

約数和(自身を含む): 3380638464

約数和(自身を除く): 1411680046

約数列:

[1, 2, 7, 14, 641, 1282, 4487, 8974, 219407, 438814, 1535849, 3071698, 140639887, 281279774, 984479209, 1968958418]

約数ペア:

[(1, 1968958418), (2, 984479209), (7, 281279774), (14, 140639887), (641, 3071698), (1282, 1535849), (4487, 438814), (8974, 219407)]