638768096

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{4507}}^1$

素因数の和:4663

約数の個数: 48

約数和(自身を含む): 1299602304

約数和(自身を除く): 660834208

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 103, 172, 206, 344, 412, 688, 824, 1376, 1648, 3296, 4429, 4507, 8858, 9014, 17716, 18028, 35432, 36056, 70864, 72112, 141728, 144224, 193801, 387602, 464221, 775204, 928442, 1550408, 1856884, 3100816, 3713768, 6201632, 7427536, 14855072, 19961503, 39923006, 79846012, 159692024, 319384048, 638768096]

約数ペア:

[(1, 638768096), (2, 319384048), (4, 159692024), (8, 79846012), (16, 39923006), (32, 19961503), (43, 14855072), (86, 7427536), (103, 6201632), (172, 3713768), (206, 3100816), (344, 1856884), (412, 1550408), (688, 928442), (824, 775204), (1376, 464221), (1648, 387602), (3296, 193801), (4429, 144224), (4507, 141728), (8858, 72112), (9014, 70864), (17716, 36056), (18028, 35432)]