217989856

素因数分解:

$2^5\times 7^1\times {\mathrm{973169}}^1$

素因数の和:973186

約数の個数: 24

約数和(自身を含む): 490477680

約数和(自身を除く): 272487824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 973169, 1946338, 3892676, 6812183, 7785352, 13624366, 15570704, 27248732, 31141408, 54497464, 108994928, 217989856]

約数ペア:

[(1, 217989856), (2, 108994928), (4, 54497464), (7, 31141408), (8, 27248732), (14, 15570704), (16, 13624366), (28, 7785352), (32, 6812183), (56, 3892676), (112, 1946338), (224, 973169)]