278312556505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1\times {\mathrm{26263}}^1$

素因数の和:28477

約数の個数: 32

約数和(自身を含む): 356780261376

約数和(自身を除く): 78467704871

約数列:

[1, 5, 23, 43, 115, 215, 989, 2143, 4945, 10715, 26263, 49289, 92149, 131315, 246445, 460745, 604049, 1129309, 2119427, 3020245, 5646545, 10597135, 25974107, 56281609, 129870535, 281408045, 1294477007, 2420109187, 6472385035, 12100545935, 55662511301, 278312556505]

約数ペア:

[(1, 278312556505), (5, 55662511301), (23, 12100545935), (43, 6472385035), (115, 2420109187), (215, 1294477007), (989, 281408045), (2143, 129870535), (4945, 56281609), (10715, 25974107), (26263, 10597135), (49289, 5646545), (92149, 3020245), (131315, 2119427), (246445, 1129309), (460745, 604049)]