9987712

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 23207040

約数和(自身を除く): 13219328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 157, 224, 284, 314, 448, 497, 568, 628, 896, 994, 1099, 1136, 1256, 1988, 2198, 2272, 2512, 3976, 4396, 4544, 5024, 7952, 8792, 9088, 10048, 11147, 15904, 17584, 20096, 22294, 31808, 35168, 44588, 63616, 70336, 78029, 89176, 140672, 156058, 178352, 312116, 356704, 624232, 713408, 1248464, 1426816, 2496928, 4993856, 9987712]

約数ペア:

[(1, 9987712), (2, 4993856), (4, 2496928), (7, 1426816), (8, 1248464), (14, 713408), (16, 624232), (28, 356704), (32, 312116), (56, 178352), (64, 156058), (71, 140672), (112, 89176), (128, 78029), (142, 70336), (157, 63616), (224, 44588), (284, 35168), (314, 31808), (448, 22294), (497, 20096), (568, 17584), (628, 15904), (896, 11147), (994, 10048), (1099, 9088), (1136, 8792), (1256, 7952), (1988, 5024), (2198, 4544), (2272, 4396), (2512, 3976)]