388946378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{144161}}^1$

素因数の和:144253

約数の個数: 16

約数和(自身を含む): 622779840

約数和(自身を除く): 233833462

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 144161, 288322, 2739059, 5478118, 10235431, 20470862, 194473189, 388946378]

約数ペア:

[(1, 388946378), (2, 194473189), (19, 20470862), (38, 10235431), (71, 5478118), (142, 2739059), (1349, 288322), (2698, 144161)]