1656640225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 2268604800

約数和(自身を除く): 611964575

約数列:

[1, 5, 17, 25, 29, 85, 139, 145, 425, 493, 695, 725, 967, 2363, 2465, 3475, 4031, 4835, 11815, 12325, 16439, 20155, 24175, 28043, 59075, 68527, 82195, 100775, 134413, 140215, 342635, 410975, 476731, 672065, 701075, 1713175, 2285021, 2383655, 3360325, 3897977, 11425105, 11918275, 19489885, 57125525, 66265609, 97449425, 331328045, 1656640225]

約数ペア:

[(1, 1656640225), (5, 331328045), (17, 97449425), (25, 66265609), (29, 57125525), (85, 19489885), (139, 11918275), (145, 11425105), (425, 3897977), (493, 3360325), (695, 2383655), (725, 2285021), (967, 1713175), (2363, 701075), (2465, 672065), (3475, 476731), (4031, 410975), (4835, 342635), (11815, 140215), (12325, 134413), (16439, 100775), (20155, 82195), (24175, 68527), (28043, 59075)]