25390988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 28315252

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 443, 623, 644, 886, 1246, 1772, 2047, 2492, 3101, 4094, 6202, 8188, 10189, 12404, 14329, 20378, 28658, 39427, 40756, 57316, 71323, 78854, 142646, 157708, 275989, 285292, 551978, 906821, 1103956, 1813642, 3627284, 6347747, 12695494, 25390988]

約数ペア:

[(1, 25390988), (2, 12695494), (4, 6347747), (7, 3627284), (14, 1813642), (23, 1103956), (28, 906821), (46, 551978), (89, 285292), (92, 275989), (161, 157708), (178, 142646), (322, 78854), (356, 71323), (443, 57316), (623, 40756), (644, 39427), (886, 28658), (1246, 20378), (1772, 14329), (2047, 12404), (2492, 10189), (3101, 8188), (4094, 6202)]