290465118

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{227281}}^1$

素因数の和:227360

約数の個数: 24

約数和(自身を含む): 638207856

約数和(自身を除く): 347742738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 227281, 454562, 681843, 1363686, 2045529, 4091058, 16136951, 32273902, 48410853, 96821706, 145232559, 290465118]

約数ペア:

[(1, 290465118), (2, 145232559), (3, 96821706), (6, 48410853), (9, 32273902), (18, 16136951), (71, 4091058), (142, 2045529), (213, 1363686), (426, 681843), (639, 454562), (1278, 227281)]