1640243388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19526707}}^1$

素因数の和:19526721

約数の個数: 24

約数和(自身を含む): 4373982592

約数和(自身を除く): 2733739204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 19526707, 39053414, 58580121, 78106828, 117160242, 136686949, 234320484, 273373898, 410060847, 546747796, 820121694, 1640243388]

約数ペア:

[(1, 1640243388), (2, 820121694), (3, 546747796), (4, 410060847), (6, 273373898), (7, 234320484), (12, 136686949), (14, 117160242), (21, 78106828), (28, 58580121), (42, 39053414), (84, 19526707)]