640360236

素因数分解:

$2^2\times 3^1\times {\mathrm{251}}^1\times {\mathrm{433}}^1\times {\mathrm{491}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 1506653568

約数和(自身を除く): 866293332

約数列:

[1, 2, 3, 4, 6, 12, 251, 433, 491, 502, 753, 866, 982, 1004, 1299, 1473, 1506, 1732, 1964, 2598, 2946, 3012, 5196, 5892, 108683, 123241, 212603, 217366, 246482, 326049, 369723, 425206, 434732, 492964, 637809, 652098, 739446, 850412, 1275618, 1304196, 1478892, 2551236, 53363353, 106726706, 160090059, 213453412, 320180118, 640360236]

約数ペア:

[(1, 640360236), (2, 320180118), (3, 213453412), (4, 160090059), (6, 106726706), (12, 53363353), (251, 2551236), (433, 1478892), (491, 1304196), (502, 1275618), (753, 850412), (866, 739446), (982, 652098), (1004, 637809), (1299, 492964), (1473, 434732), (1506, 425206), (1732, 369723), (1964, 326049), (2598, 246482), (2946, 217366), (3012, 212603), (5196, 123241), (5892, 108683)]