639474864

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1903199}}^1$

素因数の和:1903217

約数の個数: 40

約数和(自身を含む): 1887974400

約数和(自身を除く): 1248499536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1903199, 3806398, 5709597, 7612796, 11419194, 13322393, 15225592, 22838388, 26644786, 30451184, 39967179, 45676776, 53289572, 79934358, 91353552, 106579144, 159868716, 213158288, 319737432, 639474864]

約数ペア:

[(1, 639474864), (2, 319737432), (3, 213158288), (4, 159868716), (6, 106579144), (7, 91353552), (8, 79934358), (12, 53289572), (14, 45676776), (16, 39967179), (21, 30451184), (24, 26644786), (28, 22838388), (42, 15225592), (48, 13322393), (56, 11419194), (84, 7612796), (112, 5709597), (168, 3806398), (336, 1903199)]