81698610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389041}}^1$

素因数の和:389058

約数の個数: 32

約数和(自身を含む): 224088192

約数和(自身を除く): 142389582

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389041, 778082, 1167123, 1945205, 2334246, 2723287, 3890410, 5446574, 5835615, 8169861, 11671230, 13616435, 16339722, 27232870, 40849305, 81698610]

約数ペア:

[(1, 81698610), (2, 40849305), (3, 27232870), (5, 16339722), (6, 13616435), (7, 11671230), (10, 8169861), (14, 5835615), (15, 5446574), (21, 3890410), (30, 2723287), (35, 2334246), (42, 1945205), (70, 1167123), (105, 778082), (210, 389041)]