30891994

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 54302976

約数和(自身を除く): 23410982

約数列:

[1, 2, 7, 14, 73, 146, 167, 181, 334, 362, 511, 1022, 1169, 1267, 2338, 2534, 12191, 13213, 24382, 26426, 30227, 60454, 85337, 92491, 170674, 184982, 211589, 423178, 2206571, 4413142, 15445997, 30891994]

約数ペア:

[(1, 30891994), (2, 15445997), (7, 4413142), (14, 2206571), (73, 423178), (146, 211589), (167, 184982), (181, 170674), (334, 92491), (362, 85337), (511, 60454), (1022, 30227), (1169, 26426), (1267, 24382), (2338, 13213), (2534, 12191)]