201563890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{16811}}^1$

素因数の和:16938

約数の個数: 32

約数和(自身を含む): 399453120

約数和(自身を除く): 197889230

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 5995, 11990, 16811, 33622, 84055, 168110, 184921, 369842, 924605, 1832399, 1849210, 3664798, 9161995, 18323990, 20156389, 40312778, 100781945, 201563890]

約数ペア:

[(1, 201563890), (2, 100781945), (5, 40312778), (10, 20156389), (11, 18323990), (22, 9161995), (55, 3664798), (109, 1849210), (110, 1832399), (218, 924605), (545, 369842), (1090, 184921), (1199, 168110), (2398, 84055), (5995, 33622), (11990, 16811)]