215231928

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{239}}^2$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 543782280

約数和(自身を除く): 328550352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 239, 314, 471, 478, 628, 717, 942, 956, 1256, 1434, 1884, 1912, 2868, 3768, 5736, 37523, 57121, 75046, 112569, 114242, 150092, 171363, 225138, 228484, 300184, 342726, 450276, 456968, 685452, 900552, 1370904, 8967997, 17935994, 26903991, 35871988, 53807982, 71743976, 107615964, 215231928]

約数ペア:

[(1, 215231928), (2, 107615964), (3, 71743976), (4, 53807982), (6, 35871988), (8, 26903991), (12, 17935994), (24, 8967997), (157, 1370904), (239, 900552), (314, 685452), (471, 456968), (478, 450276), (628, 342726), (717, 300184), (942, 228484), (956, 225138), (1256, 171363), (1434, 150092), (1884, 114242), (1912, 112569), (2868, 75046), (3768, 57121), (5736, 37523)]