71278918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{12589}}^1$

素因数の和:12759

約数の個数: 16

約数和(自身を含む): 113310000

約数和(自身を除く): 42031082

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 12589, 25178, 239191, 478382, 1875761, 3751522, 35639459, 71278918]

約数ペア:

[(1, 71278918), (2, 35639459), (19, 3751522), (38, 1875761), (149, 478382), (298, 239191), (2831, 25178), (5662, 12589)]