123985274

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 216207360

約数和(自身を除く): 92222086

約数列:

[1, 2, 7, 14, 127, 137, 254, 274, 509, 889, 959, 1018, 1778, 1918, 3563, 7126, 17399, 34798, 64643, 69733, 121793, 129286, 139466, 243586, 452501, 488131, 905002, 976262, 8856091, 17712182, 61992637, 123985274]

約数ペア:

[(1, 123985274), (2, 61992637), (7, 17712182), (14, 8856091), (127, 976262), (137, 905002), (254, 488131), (274, 452501), (509, 243586), (889, 139466), (959, 129286), (1018, 121793), (1778, 69733), (1918, 64643), (3563, 34798), (7126, 17399)]