11897501

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 16070400

約数和(自身を除く): 4172899

約数列:

[1, 7, 11, 17, 61, 77, 119, 149, 187, 427, 671, 1037, 1043, 1309, 1639, 2533, 4697, 7259, 9089, 11407, 11473, 17731, 27863, 63623, 79849, 99979, 154513, 195041, 699853, 1081591, 1699643, 11897501]

約数ペア:

[(1, 11897501), (7, 1699643), (11, 1081591), (17, 699853), (61, 195041), (77, 154513), (119, 99979), (149, 79849), (187, 63623), (427, 27863), (671, 17731), (1037, 11473), (1043, 11407), (1309, 9089), (1639, 7259), (2533, 4697)]