55157912

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 111099600

約数和(自身を除く): 55941688

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 269, 284, 361, 538, 568, 722, 1076, 1349, 1444, 2152, 2698, 2888, 5111, 5396, 10222, 10792, 19099, 20444, 25631, 38198, 40888, 51262, 76396, 97109, 102524, 152792, 194218, 205048, 362881, 388436, 725762, 776872, 1451524, 2903048, 6894739, 13789478, 27578956, 55157912]

約数ペア:

[(1, 55157912), (2, 27578956), (4, 13789478), (8, 6894739), (19, 2903048), (38, 1451524), (71, 776872), (76, 725762), (142, 388436), (152, 362881), (269, 205048), (284, 194218), (361, 152792), (538, 102524), (568, 97109), (722, 76396), (1076, 51262), (1349, 40888), (1444, 38198), (2152, 25631), (2698, 20444), (2888, 19099), (5111, 10792), (5396, 10222)]