68639284

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{18713}}^1$

素因数の和:18855

約数の個数: 24

約数和(自身を含む): 138333888

約数和(自身を除く): 69694604

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 18713, 37426, 74852, 130991, 261982, 523964, 2451403, 4902806, 9805612, 17159821, 34319642, 68639284]

約数ペア:

[(1, 68639284), (2, 34319642), (4, 17159821), (7, 9805612), (14, 4902806), (28, 2451403), (131, 523964), (262, 261982), (524, 130991), (917, 74852), (1834, 37426), (3668, 18713)]