81733705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 27130295

約数列:

[1, 5, 17, 41, 47, 85, 205, 235, 499, 697, 799, 1927, 2495, 3485, 3995, 8483, 9635, 20459, 23453, 32759, 42415, 102295, 117265, 163795, 347803, 398701, 961573, 1739015, 1993505, 4807865, 16346741, 81733705]

約数ペア:

[(1, 81733705), (5, 16346741), (17, 4807865), (41, 1993505), (47, 1739015), (85, 961573), (205, 398701), (235, 347803), (499, 163795), (697, 117265), (799, 102295), (1927, 42415), (2495, 32759), (3485, 23453), (3995, 20459), (8483, 9635)]