1978200938

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2666039}}^1$

素因数の和:2666101

約数の個数: 16

約数和(自身を含む): 3455187840

約数和(自身を除く): 1476986902

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 2666039, 5332078, 18662273, 37324546, 141300067, 282600134, 989100469, 1978200938]

約数ペア:

[(1, 1978200938), (2, 989100469), (7, 282600134), (14, 141300067), (53, 37324546), (106, 18662273), (371, 5332078), (742, 2666039)]