253984856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1670953}}^1$

素因数の和:1670978

約数の個数: 16

約数和(自身を含む): 501286200

約数和(自身を除く): 247301344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1670953, 3341906, 6683812, 13367624, 31748107, 63496214, 126992428, 253984856]

約数ペア:

[(1, 253984856), (2, 126992428), (4, 63496214), (8, 31748107), (19, 13367624), (38, 6683812), (76, 3341906), (152, 1670953)]