16851755

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 22671360

約数和(自身を除く): 5819605

約数列:

[1, 5, 23, 29, 31, 115, 145, 155, 163, 667, 713, 815, 899, 3335, 3565, 3749, 4495, 4727, 5053, 18745, 20677, 23635, 25265, 103385, 108721, 116219, 146537, 543605, 581095, 732685, 3370351, 16851755]

約数ペア:

[(1, 16851755), (5, 3370351), (23, 732685), (29, 581095), (31, 543605), (115, 146537), (145, 116219), (155, 108721), (163, 103385), (667, 25265), (713, 23635), (815, 20677), (899, 18745), (3335, 5053), (3565, 4727), (3749, 4495)]