53503538

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 89596800

約数和(自身を除く): 36093262

約数列:

[1, 2, 11, 22, 101, 121, 199, 202, 242, 398, 1111, 1331, 2189, 2222, 2662, 4378, 12221, 20099, 24079, 24442, 40198, 48158, 134431, 221089, 264869, 268862, 442178, 529738, 2431979, 4863958, 26751769, 53503538]

約数ペア:

[(1, 53503538), (2, 26751769), (11, 4863958), (22, 2431979), (101, 529738), (121, 442178), (199, 268862), (202, 264869), (242, 221089), (398, 134431), (1111, 48158), (1331, 40198), (2189, 24442), (2222, 24079), (2662, 20099), (4378, 12221)]