78336688

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{80263}}^1$

素因数の和:80332

約数の個数: 20

約数和(自身を含む): 154267408

約数和(自身を除く): 75930720

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 80263, 160526, 321052, 642104, 1284208, 4896043, 9792086, 19584172, 39168344, 78336688]

約数ペア:

[(1, 78336688), (2, 39168344), (4, 19584172), (8, 9792086), (16, 4896043), (61, 1284208), (122, 642104), (244, 321052), (488, 160526), (976, 80263)]