77280505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{28051}}^1$

素因数の和:28104

約数の個数: 16

約数和(自身を含む): 100987200

約数和(自身を除く): 23706695

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 28051, 140255, 532969, 813479, 2664845, 4067395, 15456101, 77280505]

約数ペア:

[(1, 77280505), (5, 15456101), (19, 4067395), (29, 2664845), (95, 813479), (145, 532969), (551, 140255), (2755, 28051)]