201639448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{22129}}^1$

素因数の和:22219

約数の個数: 32

約数和(自身を含む): 406306800

約数和(自身を除く): 204667352

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 4556, 9112, 22129, 44258, 88516, 177032, 376193, 752386, 1482643, 1504772, 2965286, 3009544, 5930572, 11861144, 25204931, 50409862, 100819724, 201639448]

約数ペア:

[(1, 201639448), (2, 100819724), (4, 50409862), (8, 25204931), (17, 11861144), (34, 5930572), (67, 3009544), (68, 2965286), (134, 1504772), (136, 1482643), (268, 752386), (536, 376193), (1139, 177032), (2278, 88516), (4556, 44258), (9112, 22129)]