66587144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{640261}}^1$

素因数の和:640280

約数の個数: 16

約数和(自身を含む): 134455020

約数和(自身を除く): 67867876

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 640261, 1280522, 2561044, 5122088, 8323393, 16646786, 33293572, 66587144]

約数ペア:

[(1, 66587144), (2, 33293572), (4, 16646786), (8, 8323393), (13, 5122088), (26, 2561044), (52, 1280522), (104, 640261)]