1970923339

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{7643}}^1$

素因数の和:7875

約数の個数: 32

約数和(自身を含む): 2615348736

約数和(自身を除く): 644425397

約数列:

[1, 7, 11, 17, 77, 119, 187, 197, 1309, 1379, 2167, 3349, 7643, 15169, 23443, 36839, 53501, 84073, 129931, 257873, 588511, 909517, 1429241, 1505671, 10004687, 10539697, 16562381, 25596407, 115936667, 179174849, 281560477, 1970923339]

約数ペア:

[(1, 1970923339), (7, 281560477), (11, 179174849), (17, 115936667), (77, 25596407), (119, 16562381), (187, 10539697), (197, 10004687), (1309, 1505671), (1379, 1429241), (2167, 909517), (3349, 588511), (7643, 257873), (15169, 129931), (23443, 84073), (36839, 53501)]