388680782

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{5477}}^1$

素因数の和:5660

約数の個数: 32

約数和(自身を含む): 689439168

約数和(自身を除く): 300758386

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 274, 518, 959, 1918, 5069, 5477, 10138, 10954, 35483, 38339, 70966, 76678, 202649, 405298, 750349, 1418543, 1500698, 2837086, 5252443, 10504886, 27762913, 55525826, 194340391, 388680782]

約数ペア:

[(1, 388680782), (2, 194340391), (7, 55525826), (14, 27762913), (37, 10504886), (74, 5252443), (137, 2837086), (259, 1500698), (274, 1418543), (518, 750349), (959, 405298), (1918, 202649), (5069, 76678), (5477, 70966), (10138, 38339), (10954, 35483)]