31274815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 17496257

約数列:

[1, 5, 11, 13, 17, 31, 55, 65, 83, 85, 143, 155, 187, 221, 341, 403, 415, 527, 715, 913, 935, 1079, 1105, 1411, 1705, 2015, 2431, 2573, 2635, 4433, 4565, 5395, 5797, 6851, 7055, 11869, 12155, 12865, 15521, 18343, 22165, 28303, 28985, 33449, 34255, 43741, 59345, 75361, 77605, 91715, 141515, 167245, 201773, 218705, 367939, 376805, 481151, 568633, 1008865, 1839695, 2405755, 2843165, 6254963, 31274815]

約数ペア:

[(1, 31274815), (5, 6254963), (11, 2843165), (13, 2405755), (17, 1839695), (31, 1008865), (55, 568633), (65, 481151), (83, 376805), (85, 367939), (143, 218705), (155, 201773), (187, 167245), (221, 141515), (341, 91715), (403, 77605), (415, 75361), (527, 59345), (715, 43741), (913, 34255), (935, 33449), (1079, 28985), (1105, 28303), (1411, 22165), (1705, 18343), (2015, 15521), (2431, 12865), (2573, 12155), (2635, 11869), (4433, 7055), (4565, 6851), (5395, 5797)]