689985138

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 1444608000

約数和(自身を除く): 754622862

約数列:

[1, 2, 3, 6, 43, 86, 89, 129, 151, 178, 199, 258, 267, 302, 398, 453, 534, 597, 906, 1194, 3827, 6493, 7654, 8557, 11481, 12986, 13439, 17114, 17711, 19479, 22962, 25671, 26878, 30049, 35422, 38958, 40317, 51342, 53133, 60098, 80634, 90147, 106266, 180294, 577877, 761573, 1155754, 1292107, 1523146, 1733631, 2284719, 2584214, 2674361, 3467262, 3876321, 4569438, 5348722, 7752642, 8023083, 16046166, 114997523, 229995046, 344992569, 689985138]

約数ペア:

[(1, 689985138), (2, 344992569), (3, 229995046), (6, 114997523), (43, 16046166), (86, 8023083), (89, 7752642), (129, 5348722), (151, 4569438), (178, 3876321), (199, 3467262), (258, 2674361), (267, 2584214), (302, 2284719), (398, 1733631), (453, 1523146), (534, 1292107), (597, 1155754), (906, 761573), (1194, 577877), (3827, 180294), (6493, 106266), (7654, 90147), (8557, 80634), (11481, 60098), (12986, 53133), (13439, 51342), (17114, 40317), (17711, 38958), (19479, 35422), (22962, 30049), (25671, 26878)]