1981293466

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{839}}^1\times {\mathrm{4357}}^1$

素因数の和:5469

約数の個数: 16

約数和(自身を含む): 2987147520

約数和(自身を除く): 1005854054

約数列:

[1, 2, 271, 542, 839, 1678, 4357, 8714, 227369, 454738, 1180747, 2361494, 3655523, 7311046, 990646733, 1981293466]

約数ペア:

[(1, 1981293466), (2, 990646733), (271, 7311046), (542, 3655523), (839, 2361494), (1678, 1180747), (4357, 454738), (8714, 227369)]