631570990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{5431}}^1$

素因数の和:5868

約数の個数: 32

約数和(自身を含む): 1179178560

約数和(自身を除く): 547607570

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 401, 802, 2005, 4010, 5431, 10862, 11629, 23258, 27155, 54310, 58145, 116290, 157499, 314998, 787495, 1574990, 2177831, 4355662, 10889155, 21778310, 63157099, 126314198, 315785495, 631570990]

約数ペア:

[(1, 631570990), (2, 315785495), (5, 126314198), (10, 63157099), (29, 21778310), (58, 10889155), (145, 4355662), (290, 2177831), (401, 1574990), (802, 787495), (2005, 314998), (4010, 157499), (5431, 116290), (10862, 58145), (11629, 54310), (23258, 27155)]