280409878

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{1193}}^1$

素因数の和:1468

約数の個数: 32

約数和(自身を含む): 488756736

約数和(自身を除く): 208346858

約数列:

[1, 2, 7, 14, 103, 163, 206, 326, 721, 1141, 1193, 1442, 2282, 2386, 8351, 16702, 16789, 33578, 117523, 122879, 194459, 235046, 245758, 388918, 860153, 1361213, 1720306, 2722426, 20029277, 40058554, 140204939, 280409878]

約数ペア:

[(1, 280409878), (2, 140204939), (7, 40058554), (14, 20029277), (103, 2722426), (163, 1720306), (206, 1361213), (326, 860153), (721, 388918), (1141, 245758), (1193, 235046), (1442, 194459), (2282, 122879), (2386, 117523), (8351, 33578), (16702, 16789)]