81458318

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 130870080

約数和(自身を除く): 49411762

約数列:

[1, 2, 23, 46, 89, 101, 178, 197, 202, 394, 2047, 2323, 4094, 4531, 4646, 8989, 9062, 17533, 17978, 19897, 35066, 39794, 206747, 403259, 413494, 457631, 806518, 915262, 1770833, 3541666, 40729159, 81458318]

約数ペア:

[(1, 81458318), (2, 40729159), (23, 3541666), (46, 1770833), (89, 915262), (101, 806518), (178, 457631), (197, 413494), (202, 403259), (394, 206747), (2047, 39794), (2323, 35066), (4094, 19897), (4531, 17978), (4646, 17533), (8989, 9062)]