138988465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 215421696

約数和(自身を除く): 76433231

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 121, 185, 259, 385, 407, 605, 847, 887, 1295, 2035, 2849, 4235, 4435, 4477, 6209, 9757, 14245, 22385, 31045, 31339, 32819, 48785, 68299, 107327, 156695, 164095, 229733, 341495, 361009, 536635, 751289, 1148665, 1805045, 2527063, 3756445, 3971099, 12635315, 19855495, 27797693, 138988465]

約数ペア:

[(1, 138988465), (5, 27797693), (7, 19855495), (11, 12635315), (35, 3971099), (37, 3756445), (55, 2527063), (77, 1805045), (121, 1148665), (185, 751289), (259, 536635), (385, 361009), (407, 341495), (605, 229733), (847, 164095), (887, 156695), (1295, 107327), (2035, 68299), (2849, 48785), (4235, 32819), (4435, 31339), (4477, 31045), (6209, 22385), (9757, 14245)]