78947894

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{3947}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 120950928

約数和(自身を除く): 42003034

約数列:

[1, 2, 73, 137, 146, 274, 3947, 7894, 10001, 20002, 288131, 540739, 576262, 1081478, 39473947, 78947894]

約数ペア:

[(1, 78947894), (2, 39473947), (73, 1081478), (137, 576262), (146, 540739), (274, 288131), (3947, 20002), (7894, 10001)]