221508916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{28297}}^1$

素因数の和:28423

約数の個数: 24

約数和(自身を含む): 412018880

約数和(自身を除く): 190509964

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 7828, 28297, 56594, 113188, 537643, 1075286, 2150572, 2914591, 5829182, 11658364, 55377229, 110754458, 221508916]

約数ペア:

[(1, 221508916), (2, 110754458), (4, 55377229), (19, 11658364), (38, 5829182), (76, 2914591), (103, 2150572), (206, 1075286), (412, 537643), (1957, 113188), (3914, 56594), (7828, 28297)]