25405394

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 46224000

約数和(自身を除く): 20818606

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 641, 1043, 1282, 2086, 2831, 4487, 5662, 8974, 12179, 19817, 24358, 39634, 85253, 95509, 170506, 191018, 668563, 1337126, 1814671, 3629342, 12702697, 25405394]

約数ペア:

[(1, 25405394), (2, 12702697), (7, 3629342), (14, 1814671), (19, 1337126), (38, 668563), (133, 191018), (149, 170506), (266, 95509), (298, 85253), (641, 39634), (1043, 24358), (1282, 19817), (2086, 12179), (2831, 8974), (4487, 5662)]