71275775

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 90470400

約数和(自身を除く): 19194625

約数列:

[1, 5, 25, 79, 151, 239, 395, 755, 1195, 1975, 3775, 5975, 11929, 18881, 36089, 59645, 94405, 180445, 298225, 472025, 902225, 2851031, 14255155, 71275775]

約数ペア:

[(1, 71275775), (5, 14255155), (25, 2851031), (79, 902225), (151, 472025), (239, 298225), (395, 180445), (755, 94405), (1195, 59645), (1975, 36089), (3775, 18881), (5975, 11929)]