345735394

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{20407}}^1$

素因数の和:20649

約数の個数: 16

約数和(自身を含む): 533383488

約数和(自身を除く): 187648094

約数列:

[1, 2, 43, 86, 197, 394, 8471, 16942, 20407, 40814, 877501, 1755002, 4020179, 8040358, 172867697, 345735394]

約数ペア:

[(1, 345735394), (2, 172867697), (43, 8040358), (86, 4020179), (197, 1755002), (394, 877501), (8471, 40814), (16942, 20407)]