78620155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 103654080

約数和(自身を除く): 25033925

約数列:

[1, 5, 17, 59, 61, 85, 257, 295, 305, 1003, 1037, 1285, 3599, 4369, 5015, 5185, 15163, 15677, 17995, 21845, 61183, 75815, 78385, 257771, 266509, 305915, 924943, 1288855, 1332545, 4624715, 15724031, 78620155]

約数ペア:

[(1, 78620155), (5, 15724031), (17, 4624715), (59, 1332545), (61, 1288855), (85, 924943), (257, 305915), (295, 266509), (305, 257771), (1003, 78385), (1037, 75815), (1285, 61183), (3599, 21845), (4369, 17995), (5015, 15677), (5185, 15163)]