17780242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 29082240

約数和(自身を除く): 11301998

約数列:

[1, 2, 23, 43, 46, 86, 89, 101, 178, 202, 989, 1978, 2047, 2323, 3827, 4094, 4343, 4646, 7654, 8686, 8989, 17978, 88021, 99889, 176042, 199778, 206747, 386527, 413494, 773054, 8890121, 17780242]

約数ペア:

[(1, 17780242), (2, 8890121), (23, 773054), (43, 413494), (46, 386527), (86, 206747), (89, 199778), (101, 176042), (178, 99889), (202, 88021), (989, 17978), (1978, 8989), (2047, 8686), (2323, 7654), (3827, 4646), (4094, 4343)]