81123448

素因数分解:

$2^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2239}}^1$

素因数の和:2899

約数の個数: 32

約数和(自身を含む): 174182400

約数和(自身を除く): 93058952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 647, 1294, 2239, 2588, 4478, 4529, 5176, 8956, 9058, 15673, 17912, 18116, 31346, 36232, 62692, 125384, 1448633, 2897266, 5794532, 10140431, 11589064, 20280862, 40561724, 81123448]

約数ペア:

[(1, 81123448), (2, 40561724), (4, 20280862), (7, 11589064), (8, 10140431), (14, 5794532), (28, 2897266), (56, 1448633), (647, 125384), (1294, 62692), (2239, 36232), (2588, 31346), (4478, 18116), (4529, 17912), (5176, 15673), (8956, 9058)]