123917872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{787}}^1$

素因数の和:1565

約数の個数: 40

約数和(自身を含む): 259229936

約数和(自身を除く): 135312064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 757, 787, 1514, 1574, 3028, 3148, 6056, 6296, 9841, 10231, 12112, 12592, 19682, 20462, 39364, 40924, 78728, 81848, 157456, 163696, 595759, 1191518, 2383036, 4766072, 7744867, 9532144, 15489734, 30979468, 61958936, 123917872]

約数ペア:

[(1, 123917872), (2, 61958936), (4, 30979468), (8, 15489734), (13, 9532144), (16, 7744867), (26, 4766072), (52, 2383036), (104, 1191518), (208, 595759), (757, 163696), (787, 157456), (1514, 81848), (1574, 78728), (3028, 40924), (3148, 39364), (6056, 20462), (6296, 19682), (9841, 12592), (10231, 12112)]