220121528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{9733}}^1$

素因数の和:10007

約数の個数: 32

約数和(自身を含む): 452046960

約数和(自身を除く): 231925432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 1028, 2056, 2827, 5654, 9733, 11308, 19466, 22616, 38932, 77864, 107063, 214126, 428252, 856504, 2501381, 5002762, 10005524, 20011048, 27515191, 55030382, 110060764, 220121528]

約数ペア:

[(1, 220121528), (2, 110060764), (4, 55030382), (8, 27515191), (11, 20011048), (22, 10005524), (44, 5002762), (88, 2501381), (257, 856504), (514, 428252), (1028, 214126), (2056, 107063), (2827, 77864), (5654, 38932), (9733, 22616), (11308, 19466)]