12649467392

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{157363}}^1$

素因数の和:157538

約数の個数: 40

約数和(自身を含む): 25435372776

約数和(自身を除く): 12785905384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 512, 628, 1256, 2512, 5024, 10048, 20096, 40192, 80384, 157363, 314726, 629452, 1258904, 2517808, 5035616, 10071232, 20142464, 24705991, 40284928, 49411982, 80569856, 98823964, 197647928, 395295856, 790591712, 1581183424, 3162366848, 6324733696, 12649467392]

約数ペア:

[(1, 12649467392), (2, 6324733696), (4, 3162366848), (8, 1581183424), (16, 790591712), (32, 395295856), (64, 197647928), (128, 98823964), (157, 80569856), (256, 49411982), (314, 40284928), (512, 24705991), (628, 20142464), (1256, 10071232), (2512, 5035616), (5024, 2517808), (10048, 1258904), (20096, 629452), (40192, 314726), (80384, 157363)]