204472015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 78574385

約数列:

[1, 5, 11, 19, 55, 95, 209, 389, 503, 1045, 1945, 2515, 4279, 5533, 7391, 9557, 21395, 27665, 36955, 47785, 81301, 105127, 195667, 406505, 525635, 978335, 2152337, 3717673, 10761685, 18588365, 40894403, 204472015]

約数ペア:

[(1, 204472015), (5, 40894403), (11, 18588365), (19, 10761685), (55, 3717673), (95, 2152337), (209, 978335), (389, 525635), (503, 406505), (1045, 195667), (1945, 105127), (2515, 81301), (4279, 47785), (5533, 36955), (7391, 27665), (9557, 21395)]