12698075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 17186400

約数和(自身を除く): 4488325

約数列:

[1, 5, 13, 25, 65, 89, 325, 439, 445, 1157, 2195, 2225, 5707, 5785, 10975, 28535, 28925, 39071, 142675, 195355, 507923, 976775, 2539615, 12698075]

約数ペア:

[(1, 12698075), (5, 2539615), (13, 976775), (25, 507923), (65, 195355), (89, 142675), (325, 39071), (439, 28925), (445, 28535), (1157, 10975), (2195, 5785), (2225, 5707)]