201970505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{51721}}^1$

素因数の和:51808

約数の個数: 16

約数和(自身を含む): 268126848

約数和(自身を除く): 66156343

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 51721, 258605, 568931, 2844655, 3672191, 18360955, 40394101, 201970505]

約数ペア:

[(1, 201970505), (5, 40394101), (11, 18360955), (55, 3672191), (71, 2844655), (355, 568931), (781, 258605), (3905, 51721)]