256143616

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{6373}}^1$

素因数の和:6546

約数の個数: 36

約数和(自身を含む): 514624012

約数和(自身を除く): 258480396

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 628, 1256, 2512, 5024, 6373, 10048, 12746, 20096, 25492, 40192, 50984, 101968, 203936, 407872, 815744, 1000561, 1631488, 2001122, 4002244, 8004488, 16008976, 32017952, 64035904, 128071808, 256143616]

約数ペア:

[(1, 256143616), (2, 128071808), (4, 64035904), (8, 32017952), (16, 16008976), (32, 8004488), (64, 4002244), (128, 2001122), (157, 1631488), (256, 1000561), (314, 815744), (628, 407872), (1256, 203936), (2512, 101968), (5024, 50984), (6373, 40192), (10048, 25492), (12746, 20096)]