319315376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{643781}}^1$

素因数の和:643820

約数の個数: 20

約数和(自身を含む): 638631744

約数和(自身を除く): 319316368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 643781, 1287562, 2575124, 5150248, 10300496, 19957211, 39914422, 79828844, 159657688, 319315376]

約数ペア:

[(1, 319315376), (2, 159657688), (4, 79828844), (8, 39914422), (16, 19957211), (31, 10300496), (62, 5150248), (124, 2575124), (248, 1287562), (496, 643781)]