138971525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6563}}^1$

素因数の和:6602

約数の個数: 36

約数和(自身を含む): 216506976

約数和(自身を除く): 77535451

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1925, 3025, 4235, 6563, 21175, 32815, 45941, 72193, 164075, 229705, 360965, 505351, 794123, 1148525, 1804825, 2526755, 3970615, 5558861, 12633775, 19853075, 27794305, 138971525]

約数ペア:

[(1, 138971525), (5, 27794305), (7, 19853075), (11, 12633775), (25, 5558861), (35, 3970615), (55, 2526755), (77, 1804825), (121, 1148525), (175, 794123), (275, 505351), (385, 360965), (605, 229705), (847, 164075), (1925, 72193), (3025, 45941), (4235, 32815), (6563, 21175)]