31391208

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{2777}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 85590180

約数和(自身を除く): 54198972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2777, 2826, 3768, 5554, 5652, 8331, 11108, 11304, 16662, 22216, 24993, 33324, 49986, 66648, 99972, 199944, 435989, 871978, 1307967, 1743956, 2615934, 3487912, 3923901, 5231868, 7847802, 10463736, 15695604, 31391208]

約数ペア:

[(1, 31391208), (2, 15695604), (3, 10463736), (4, 7847802), (6, 5231868), (8, 3923901), (9, 3487912), (12, 2615934), (18, 1743956), (24, 1307967), (36, 871978), (72, 435989), (157, 199944), (314, 99972), (471, 66648), (628, 49986), (942, 33324), (1256, 24993), (1413, 22216), (1884, 16662), (2777, 11304), (2826, 11108), (3768, 8331), (5554, 5652)]