161818685

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1123}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 233072640

約数和(自身を除く): 71253955

約数列:

[1, 5, 7, 23, 35, 115, 161, 179, 805, 895, 1123, 1253, 4117, 5615, 6265, 7861, 20585, 25829, 28819, 39305, 129145, 144095, 180803, 201017, 904015, 1005085, 1407119, 4623391, 7035595, 23116955, 32363737, 161818685]

約数ペア:

[(1, 161818685), (5, 32363737), (7, 23116955), (23, 7035595), (35, 4623391), (115, 1407119), (161, 1005085), (179, 904015), (805, 201017), (895, 180803), (1123, 144095), (1253, 129145), (4117, 39305), (5615, 28819), (6265, 25829), (7861, 20585)]