17798978870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{425101}}^1$

素因数の和:425240

約数の個数: 32

約数和(自身を含む): 33055931520

約数和(自身を除く): 15256952650

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 530, 790, 4187, 8374, 20935, 41870, 425101, 850202, 2125505, 4251010, 22530353, 33582979, 45060706, 67165958, 112651765, 167914895, 225303530, 335829790, 1779897887, 3559795774, 8899489435, 17798978870]

約数ペア:

[(1, 17798978870), (2, 8899489435), (5, 3559795774), (10, 1779897887), (53, 335829790), (79, 225303530), (106, 167914895), (158, 112651765), (265, 67165958), (395, 45060706), (530, 33582979), (790, 22530353), (4187, 4251010), (8374, 2125505), (20935, 850202), (41870, 425101)]