257816996913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1361}}^1\times {\mathrm{2129}}^1$

素因数の和:3742

約数の個数: 64

約数和(自身を含む): 415895961600

約数和(自身を除く): 158078964687

約数列:

[1, 3, 7, 19, 21, 57, 133, 223, 399, 669, 1361, 1561, 2129, 4083, 4237, 4683, 6387, 9527, 12711, 14903, 25859, 28581, 29659, 40451, 44709, 77577, 88977, 121353, 181013, 283157, 303503, 474767, 543039, 849471, 910509, 1424301, 2124521, 2897569, 3323369, 5766557, 6373563, 8692707, 9020573, 9970107, 17299671, 20282983, 27061719, 40365899, 55053811, 60848949, 63144011, 121097697, 165161433, 189432033, 385376677, 646157887, 1156130031, 1938473661, 4523105209, 12276999853, 13569315627, 36830999559, 85938998971, 257816996913]

約数ペア:

[(1, 257816996913), (3, 85938998971), (7, 36830999559), (19, 13569315627), (21, 12276999853), (57, 4523105209), (133, 1938473661), (223, 1156130031), (399, 646157887), (669, 385376677), (1361, 189432033), (1561, 165161433), (2129, 121097697), (4083, 63144011), (4237, 60848949), (4683, 55053811), (6387, 40365899), (9527, 27061719), (12711, 20282983), (14903, 17299671), (25859, 9970107), (28581, 9020573), (29659, 8692707), (40451, 6373563), (44709, 5766557), (77577, 3323369), (88977, 2897569), (121353, 2124521), (181013, 1424301), (283157, 910509), (303503, 849471), (474767, 543039)]