90905006

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{39217}}^1$

素因数の和:39299

約数の個数: 16

約数和(自身を含む): 145890960

約数和(自身を除く): 54985954

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 39217, 78434, 745123, 1490246, 2392237, 4784474, 45452503, 90905006]

約数ペア:

[(1, 90905006), (2, 45452503), (19, 4784474), (38, 2392237), (61, 1490246), (122, 745123), (1159, 78434), (2318, 39217)]