31378608

素因数分解:

$2^4\times 3^2\times {\mathrm{217907}}^1$

素因数の和:217921

約数の個数: 30

約数和(自身を含む): 87816924

約数和(自身を除く): 56438316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 217907, 435814, 653721, 871628, 1307442, 1743256, 1961163, 2614884, 3486512, 3922326, 5229768, 7844652, 10459536, 15689304, 31378608]

約数ペア:

[(1, 31378608), (2, 15689304), (3, 10459536), (4, 7844652), (6, 5229768), (8, 3922326), (9, 3486512), (12, 2614884), (16, 1961163), (18, 1743256), (24, 1307442), (36, 871628), (48, 653721), (72, 435814), (144, 217907)]