2021880854

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{12601}}^1$

素因数の和:12840

約数の個数: 32

約数和(自身を含む): 3536222016

約数和(自身を除く): 1514341162

約数列:

[1, 2, 7, 14, 73, 146, 157, 314, 511, 1022, 1099, 2198, 11461, 12601, 22922, 25202, 80227, 88207, 160454, 176414, 919873, 1839746, 1978357, 3956714, 6439111, 12878222, 13848499, 27696998, 144420061, 288840122, 1010940427, 2021880854]

約数ペア:

[(1, 2021880854), (2, 1010940427), (7, 288840122), (14, 144420061), (73, 27696998), (146, 13848499), (157, 12878222), (314, 6439111), (511, 3956714), (1022, 1978357), (1099, 1839746), (2198, 919873), (11461, 176414), (12601, 160454), (22922, 88207), (25202, 80227)]