25861745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 12748687

約数列:

[1, 5, 7, 13, 35, 65, 91, 113, 455, 503, 565, 791, 1469, 2515, 3521, 3955, 6539, 7345, 10283, 17605, 32695, 45773, 51415, 56839, 228865, 284195, 397873, 738907, 1989365, 3694535, 5172349, 25861745]

約数ペア:

[(1, 25861745), (5, 5172349), (7, 3694535), (13, 1989365), (35, 738907), (65, 397873), (91, 284195), (113, 228865), (455, 56839), (503, 51415), (565, 45773), (791, 32695), (1469, 17605), (2515, 10283), (3521, 7345), (3955, 6539)]