2912861990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9396329}}^1$

素因数の和:9396367

約数の個数: 16

約数和(自身を含む): 5412286080

約数和(自身を除く): 2499424090

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 9396329, 18792658, 46981645, 93963290, 291286199, 582572398, 1456430995, 2912861990]

約数ペア:

[(1, 2912861990), (2, 1456430995), (5, 582572398), (10, 291286199), (31, 93963290), (62, 46981645), (155, 18792658), (310, 9396329)]