25439817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 13267383

約数列:

[1, 3, 13, 23, 39, 69, 79, 237, 299, 359, 897, 1027, 1077, 1817, 3081, 4667, 5451, 8257, 14001, 23621, 24771, 28361, 70863, 85083, 107341, 322023, 368693, 652303, 1106079, 1956909, 8479939, 25439817]

約数ペア:

[(1, 25439817), (3, 8479939), (13, 1956909), (23, 1106079), (39, 652303), (69, 368693), (79, 322023), (237, 107341), (299, 85083), (359, 70863), (897, 28361), (1027, 24771), (1077, 23621), (1817, 14001), (3081, 8257), (4667, 5451)]