25725639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 12290361

約数列:

[1, 3, 19, 29, 57, 79, 87, 197, 237, 551, 591, 1501, 1653, 2291, 3743, 4503, 5713, 6873, 11229, 15563, 17139, 43529, 46689, 108547, 130587, 295697, 325641, 451327, 887091, 1353981, 8575213, 25725639]

約数ペア:

[(1, 25725639), (3, 8575213), (19, 1353981), (29, 887091), (57, 451327), (79, 325641), (87, 295697), (197, 130587), (237, 108547), (551, 46689), (591, 43529), (1501, 17139), (1653, 15563), (2291, 11229), (3743, 6873), (4503, 5713)]