172357892

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 381507840

約数和(自身を除く): 209149948

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 434, 532, 589, 868, 931, 1178, 1493, 1519, 1862, 2356, 2986, 3038, 3724, 4123, 5972, 6076, 8246, 10451, 16492, 20902, 28367, 28861, 41804, 46283, 56734, 57722, 73157, 92566, 113468, 115444, 146314, 185132, 198569, 292628, 323981, 397138, 647962, 794276, 879377, 1295924, 1389983, 1758754, 2267867, 2779966, 3517508, 4535734, 5559932, 6155639, 9071468, 12311278, 24622556, 43089473, 86178946, 172357892]

約数ペア:

[(1, 172357892), (2, 86178946), (4, 43089473), (7, 24622556), (14, 12311278), (19, 9071468), (28, 6155639), (31, 5559932), (38, 4535734), (49, 3517508), (62, 2779966), (76, 2267867), (98, 1758754), (124, 1389983), (133, 1295924), (196, 879377), (217, 794276), (266, 647962), (434, 397138), (532, 323981), (589, 292628), (868, 198569), (931, 185132), (1178, 146314), (1493, 115444), (1519, 113468), (1862, 92566), (2356, 73157), (2986, 57722), (3038, 56734), (3724, 46283), (4123, 41804), (5972, 28861), (6076, 28367), (8246, 20902), (10451, 16492)]