640115574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{2399}}^1\times {\mathrm{6353}}^1$

素因数の和:8764

約数の個数: 32

約数和(自身を含む): 1463961600

約数和(自身を除く): 823846026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 2399, 4798, 6353, 7197, 12706, 14394, 16793, 19059, 33586, 38118, 44471, 50379, 88942, 100758, 133413, 266826, 15240847, 30481694, 45722541, 91445082, 106685929, 213371858, 320057787, 640115574]

約数ペア:

[(1, 640115574), (2, 320057787), (3, 213371858), (6, 106685929), (7, 91445082), (14, 45722541), (21, 30481694), (42, 15240847), (2399, 266826), (4798, 133413), (6353, 100758), (7197, 88942), (12706, 50379), (14394, 44471), (16793, 38118), (19059, 33586)]