25784045

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 39398400

約数和(自身を除く): 13614355

約数列:

[1, 5, 7, 19, 29, 35, 49, 95, 133, 145, 191, 203, 245, 551, 665, 931, 955, 1015, 1337, 1421, 2755, 3629, 3857, 4655, 5539, 6685, 7105, 9359, 18145, 19285, 25403, 26999, 27695, 38773, 46795, 105241, 127015, 134995, 177821, 193865, 271411, 526205, 736687, 889105, 1357055, 3683435, 5156809, 25784045]

約数ペア:

[(1, 25784045), (5, 5156809), (7, 3683435), (19, 1357055), (29, 889105), (35, 736687), (49, 526205), (95, 271411), (133, 193865), (145, 177821), (191, 134995), (203, 127015), (245, 105241), (551, 46795), (665, 38773), (931, 27695), (955, 26999), (1015, 25403), (1337, 19285), (1421, 18145), (2755, 9359), (3629, 7105), (3857, 6685), (4655, 5539)]