17378228

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20021}}^1$

素因数の和:20063

約数の個数: 24

約数和(自身を含む): 35879424

約数和(自身を除く): 18501196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 20021, 40042, 80084, 140147, 280294, 560588, 620651, 1241302, 2482604, 4344557, 8689114, 17378228]

約数ペア:

[(1, 17378228), (2, 8689114), (4, 4344557), (7, 2482604), (14, 1241302), (28, 620651), (31, 560588), (62, 280294), (124, 140147), (217, 80084), (434, 40042), (868, 20021)]