261640386

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{2423}}^1$

素因数の和:3295

約数の個数: 48

約数和(自身を含む): 648895104

約数和(自身を除く): 387254718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 857, 1714, 2423, 2571, 4846, 5142, 5999, 7269, 7713, 11998, 14538, 15426, 16961, 17997, 21807, 33922, 35994, 43614, 50883, 53991, 101766, 107982, 152649, 305298, 2076511, 4153022, 6229533, 12459066, 14535577, 18688599, 29071154, 37377198, 43606731, 87213462, 130820193, 261640386]

約数ペア:

[(1, 261640386), (2, 130820193), (3, 87213462), (6, 43606731), (7, 37377198), (9, 29071154), (14, 18688599), (18, 14535577), (21, 12459066), (42, 6229533), (63, 4153022), (126, 2076511), (857, 305298), (1714, 152649), (2423, 107982), (2571, 101766), (4846, 53991), (5142, 50883), (5999, 43614), (7269, 35994), (7713, 33922), (11998, 21807), (14538, 17997), (15426, 16961)]