277777994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8609}}^1$

素因数の和:8714

約数の個数: 32

約数和(自身を含む): 481677840

約数和(自身を除く): 203899846

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 949, 1241, 1898, 2482, 8609, 16133, 17218, 32266, 111917, 146353, 223834, 292706, 628457, 1256914, 1902589, 3805178, 8169941, 10683769, 16339882, 21367538, 138888997, 277777994]

約数ペア:

[(1, 277777994), (2, 138888997), (13, 21367538), (17, 16339882), (26, 10683769), (34, 8169941), (73, 3805178), (146, 1902589), (221, 1256914), (442, 628457), (949, 292706), (1241, 223834), (1898, 146353), (2482, 111917), (8609, 32266), (16133, 17218)]