127780256

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 258170976

約数和(自身を除く): 130390720

約数列:

[1, 2, 4, 8, 16, 32, 67, 107, 134, 214, 268, 428, 536, 557, 856, 1072, 1114, 1712, 2144, 2228, 3424, 4456, 7169, 8912, 14338, 17824, 28676, 37319, 57352, 59599, 74638, 114704, 119198, 149276, 229408, 238396, 298552, 476792, 597104, 953584, 1194208, 1907168, 3993133, 7986266, 15972532, 31945064, 63890128, 127780256]

約数ペア:

[(1, 127780256), (2, 63890128), (4, 31945064), (8, 15972532), (16, 7986266), (32, 3993133), (67, 1907168), (107, 1194208), (134, 953584), (214, 597104), (268, 476792), (428, 298552), (536, 238396), (557, 229408), (856, 149276), (1072, 119198), (1114, 114704), (1712, 74638), (2144, 59599), (2228, 57352), (3424, 37319), (4456, 28676), (7169, 17824), (8912, 14338)]