129999996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{515873}}^1$

素因数の和:515890

約数の個数: 36

約数和(自身を含む): 375556272

約数和(自身を除く): 245556276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 515873, 1031746, 1547619, 2063492, 3095238, 3611111, 4642857, 6190476, 7222222, 9285714, 10833333, 14444444, 18571428, 21666666, 32499999, 43333332, 64999998, 129999996]

約数ペア:

[(1, 129999996), (2, 64999998), (3, 43333332), (4, 32499999), (6, 21666666), (7, 18571428), (9, 14444444), (12, 10833333), (14, 9285714), (18, 7222222), (21, 6190476), (28, 4642857), (36, 3611111), (42, 3095238), (63, 2063492), (84, 1547619), (126, 1031746), (252, 515873)]