81412664

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 156647520

約数和(自身を除く): 75234856

約数列:

[1, 2, 4, 8, 53, 106, 157, 212, 314, 424, 628, 1223, 1256, 2446, 4892, 8321, 9784, 16642, 33284, 64819, 66568, 129638, 192011, 259276, 384022, 518552, 768044, 1536088, 10176583, 20353166, 40706332, 81412664]

約数ペア:

[(1, 81412664), (2, 40706332), (4, 20353166), (8, 10176583), (53, 1536088), (106, 768044), (157, 518552), (212, 384022), (314, 259276), (424, 192011), (628, 129638), (1223, 66568), (1256, 64819), (2446, 33284), (4892, 16642), (8321, 9784)]