12857521796

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{649501}}^1$

素因数の和:649620

約数の個数: 36

約数和(自身を含む): 26433432396

約数和(自身を除く): 13575910600

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1414, 2828, 4949, 9898, 19796, 649501, 1299002, 2598004, 4546507, 9093014, 18186028, 31825549, 63651098, 65599601, 127302196, 131199202, 262398404, 459197207, 918394414, 1836788828, 3214380449, 6428760898, 12857521796]

約数ペア:

[(1, 12857521796), (2, 6428760898), (4, 3214380449), (7, 1836788828), (14, 918394414), (28, 459197207), (49, 262398404), (98, 131199202), (101, 127302196), (196, 65599601), (202, 63651098), (404, 31825549), (707, 18186028), (1414, 9093014), (2828, 4546507), (4949, 2598004), (9898, 1299002), (19796, 649501)]