256727248

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 506753280

約数和(自身を除く): 250026032

約数列:

[1, 2, 4, 8, 16, 79, 158, 197, 316, 394, 632, 788, 1031, 1264, 1576, 2062, 3152, 4124, 8248, 15563, 16496, 31126, 62252, 81449, 124504, 162898, 203107, 249008, 325796, 406214, 651592, 812428, 1303184, 1624856, 3249712, 16045453, 32090906, 64181812, 128363624, 256727248]

約数ペア:

[(1, 256727248), (2, 128363624), (4, 64181812), (8, 32090906), (16, 16045453), (79, 3249712), (158, 1624856), (197, 1303184), (316, 812428), (394, 651592), (632, 406214), (788, 325796), (1031, 249008), (1264, 203107), (1576, 162898), (2062, 124504), (3152, 81449), (4124, 62252), (8248, 31126), (15563, 16496)]