201728210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{153991}}^1$

素因数の和:154129

約数の個数: 16

約数和(自身を含む): 365884992

約数和(自身を除く): 164156782

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 153991, 307982, 769955, 1539910, 20172821, 40345642, 100864105, 201728210]

約数ペア:

[(1, 201728210), (2, 100864105), (5, 40345642), (10, 20172821), (131, 1539910), (262, 769955), (655, 307982), (1310, 153991)]