1620785894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{78809}}^1$

素因数の和:78944

約数の個数: 32

約数和(自身を含む): 3018738240

約数和(自身を除く): 1397952346

約数列:

[1, 2, 7, 13, 14, 26, 91, 113, 182, 226, 791, 1469, 1582, 2938, 10283, 20566, 78809, 157618, 551663, 1024517, 1103326, 2049034, 7171619, 8905417, 14343238, 17810834, 62337919, 115770421, 124675838, 231540842, 810392947, 1620785894]

約数ペア:

[(1, 1620785894), (2, 810392947), (7, 231540842), (13, 124675838), (14, 115770421), (26, 62337919), (91, 17810834), (113, 14343238), (182, 8905417), (226, 7171619), (791, 2049034), (1469, 1103326), (1582, 1024517), (2938, 551663), (10283, 157618), (20566, 78809)]