311955232

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2003}}^1$

素因数の和:2201

約数の個数: 48

約数和(自身を含む): 638330112

約数和(自身を除く): 326374880

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 157, 248, 314, 496, 628, 992, 1256, 2003, 2512, 4006, 4867, 5024, 8012, 9734, 16024, 19468, 32048, 38936, 62093, 64096, 77872, 124186, 155744, 248372, 314471, 496744, 628942, 993488, 1257884, 1986976, 2515768, 5031536, 9748601, 10063072, 19497202, 38994404, 77988808, 155977616, 311955232]

約数ペア:

[(1, 311955232), (2, 155977616), (4, 77988808), (8, 38994404), (16, 19497202), (31, 10063072), (32, 9748601), (62, 5031536), (124, 2515768), (157, 1986976), (248, 1257884), (314, 993488), (496, 628942), (628, 496744), (992, 314471), (1256, 248372), (2003, 155744), (2512, 124186), (4006, 77872), (4867, 64096), (5024, 62093), (8012, 38936), (9734, 32048), (16024, 19468)]