408455655178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{72139819}}^1$

素因数の和:72139989

約数の個数: 16

約数和(自身を含む): 649258380000

約数和(自身を除く): 240802724822

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 72139819, 144279638, 1370656561, 2741313122, 10748833031, 21497666062, 204227827589, 408455655178]

約数ペア:

[(1, 408455655178), (2, 204227827589), (19, 21497666062), (38, 10748833031), (149, 2741313122), (298, 1370656561), (2831, 144279638), (5662, 72139819)]