42740986

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:929

約数の個数: 16

約数和(自身を含む): 64906920

約数和(自身を除く): 22165934

約数列:

[1, 2, 137, 274, 389, 401, 778, 802, 53293, 54937, 106586, 109874, 155989, 311978, 21370493, 42740986]

約数ペア:

[(1, 42740986), (2, 21370493), (137, 311978), (274, 155989), (389, 109874), (401, 106586), (778, 54937), (802, 53293)]