290106

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 24

約数和(自身を含む): 640224

約数和(自身を除く): 350118

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 227, 426, 454, 639, 681, 1278, 1362, 2043, 4086, 16117, 32234, 48351, 96702, 145053, 290106]

約数ペア:

[(1, 290106), (2, 145053), (3, 96702), (6, 48351), (9, 32234), (18, 16117), (71, 4086), (142, 2043), (213, 1362), (227, 1278), (426, 681), (454, 639)]