245655550588

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1\times {\mathrm{56737}}^1$

素因数の和:57634

約数の個数: 48

約数和(自身を含む): 494138050560

約数和(自身を除く): 248482499972

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 647, 956, 1294, 1673, 2588, 3346, 4529, 6692, 9058, 18116, 56737, 113474, 154633, 226948, 309266, 397159, 618532, 794318, 1082431, 1588636, 2164862, 4329724, 13560143, 27120286, 36708839, 54240572, 73417678, 94921001, 146835356, 189842002, 256961873, 379684004, 513923746, 1027847492, 8773412521, 17546825042, 35093650084, 61413887647, 122827775294, 245655550588]

約数ペア:

[(1, 245655550588), (2, 122827775294), (4, 61413887647), (7, 35093650084), (14, 17546825042), (28, 8773412521), (239, 1027847492), (478, 513923746), (647, 379684004), (956, 256961873), (1294, 189842002), (1673, 146835356), (2588, 94921001), (3346, 73417678), (4529, 54240572), (6692, 36708839), (9058, 27120286), (18116, 13560143), (56737, 4329724), (113474, 2164862), (154633, 1588636), (226948, 1082431), (309266, 794318), (397159, 618532)]