220996984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{877}}^1\times {\mathrm{2423}}^1$

素因数の和:3319

約数の個数: 32

約数和(自身を含む): 446937120

約数和(自身を除く): 225940136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 877, 1754, 2423, 3508, 4846, 7016, 9692, 11401, 19384, 22802, 31499, 45604, 62998, 91208, 125996, 251992, 2124971, 4249942, 8499884, 16999768, 27624623, 55249246, 110498492, 220996984]

約数ペア:

[(1, 220996984), (2, 110498492), (4, 55249246), (8, 27624623), (13, 16999768), (26, 8499884), (52, 4249942), (104, 2124971), (877, 251992), (1754, 125996), (2423, 91208), (3508, 62998), (4846, 45604), (7016, 31499), (9692, 22802), (11401, 19384)]