991844690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1\times {\mathrm{2143}}^1$

素因数の和:3674

約数の個数: 32

約数和(自身を含む): 1845006336

約数和(自身を除く): 853161646

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1493, 2143, 2986, 4286, 7465, 10715, 14930, 21430, 46283, 66433, 92566, 132866, 231415, 332165, 462830, 664330, 3199499, 6398998, 15997495, 31994990, 99184469, 198368938, 495922345, 991844690]

約数ペア:

[(1, 991844690), (2, 495922345), (5, 198368938), (10, 99184469), (31, 31994990), (62, 15997495), (155, 6398998), (310, 3199499), (1493, 664330), (2143, 462830), (2986, 332165), (4286, 231415), (7465, 132866), (10715, 92566), (14930, 66433), (21430, 46283)]