256475395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2957}}^1$

素因数の和:3075

約数の個数: 32

約数和(自身を含む): 357799680

約数和(自身を除く): 101324285

約数列:

[1, 5, 11, 19, 55, 83, 95, 209, 415, 913, 1045, 1577, 2957, 4565, 7885, 14785, 17347, 32527, 56183, 86735, 162635, 245431, 280915, 618013, 1227155, 2699741, 3090065, 4663189, 13498705, 23315945, 51295079, 256475395]

約数ペア:

[(1, 256475395), (5, 51295079), (11, 23315945), (19, 13498705), (55, 4663189), (83, 3090065), (95, 2699741), (209, 1227155), (415, 618013), (913, 280915), (1045, 245431), (1577, 162635), (2957, 86735), (4565, 56183), (7885, 32527), (14785, 17347)]