51931945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 17741015

約数列:

[1, 5, 13, 47, 65, 89, 191, 235, 445, 611, 955, 1157, 2483, 3055, 4183, 5785, 8977, 12415, 16999, 20915, 44885, 54379, 84995, 116701, 220987, 271895, 583505, 798953, 1104935, 3994765, 10386389, 51931945]

約数ペア:

[(1, 51931945), (5, 10386389), (13, 3994765), (47, 1104935), (65, 798953), (89, 583505), (191, 271895), (235, 220987), (445, 116701), (611, 84995), (955, 54379), (1157, 44885), (2483, 20915), (3055, 16999), (4183, 12415), (5785, 8977)]