98161945

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{2689}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 137997000

約数和(自身を除く): 39835055

約数列:

[1, 5, 7, 35, 49, 149, 245, 745, 1043, 2689, 5215, 7301, 13445, 18823, 36505, 94115, 131761, 400661, 658805, 2003305, 2804627, 14023135, 19632389, 98161945]

約数ペア:

[(1, 98161945), (5, 19632389), (7, 14023135), (35, 2804627), (49, 2003305), (149, 658805), (245, 400661), (745, 131761), (1043, 94115), (2689, 36505), (5215, 18823), (7301, 13445)]