318878486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 530297280

約数和(自身を除く): 211418794

約数列:

[1, 2, 17, 23, 34, 46, 391, 409, 782, 818, 997, 1994, 6953, 9407, 13906, 16949, 18814, 22931, 33898, 45862, 159919, 319838, 389827, 407773, 779654, 815546, 6932141, 9378779, 13864282, 18757558, 159439243, 318878486]

約数ペア:

[(1, 318878486), (2, 159439243), (17, 18757558), (23, 13864282), (34, 9378779), (46, 6932141), (391, 815546), (409, 779654), (782, 407773), (818, 389827), (997, 319838), (1994, 159919), (6953, 45862), (9407, 33898), (13906, 22931), (16949, 18814)]