181808788

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 371660800

約数和(自身を除く): 189852012

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 199, 268, 398, 469, 487, 796, 938, 974, 1393, 1876, 1948, 2786, 3409, 5572, 6818, 13333, 13636, 26666, 32629, 53332, 65258, 93331, 96913, 130516, 186662, 193826, 228403, 373324, 387652, 456806, 678391, 913612, 1356782, 2713564, 6493171, 12986342, 25972684, 45452197, 90904394, 181808788]

約数ペア:

[(1, 181808788), (2, 90904394), (4, 45452197), (7, 25972684), (14, 12986342), (28, 6493171), (67, 2713564), (134, 1356782), (199, 913612), (268, 678391), (398, 456806), (469, 387652), (487, 373324), (796, 228403), (938, 193826), (974, 186662), (1393, 130516), (1876, 96913), (1948, 93331), (2786, 65258), (3409, 53332), (5572, 32629), (6818, 26666), (13333, 13636)]