156979638

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 347128080

約数和(自身を除く): 190148442

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 193, 219, 386, 438, 579, 619, 657, 1158, 1238, 1314, 1737, 1857, 3474, 3714, 5571, 11142, 14089, 28178, 42267, 45187, 84534, 90374, 119467, 126801, 135561, 238934, 253602, 271122, 358401, 406683, 716802, 813366, 1075203, 2150406, 8721091, 17442182, 26163273, 52326546, 78489819, 156979638]

約数ペア:

[(1, 156979638), (2, 78489819), (3, 52326546), (6, 26163273), (9, 17442182), (18, 8721091), (73, 2150406), (146, 1075203), (193, 813366), (219, 716802), (386, 406683), (438, 358401), (579, 271122), (619, 253602), (657, 238934), (1158, 135561), (1238, 126801), (1314, 119467), (1737, 90374), (1857, 84534), (3474, 45187), (3714, 42267), (5571, 28178), (11142, 14089)]