354072719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20807}}^1$

素因数の和:20855

約数の個数: 32

約数和(自身を含む): 503387136

約数和(自身を除く): 149314417

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 17017, 20807, 145649, 228877, 270491, 353719, 1602139, 1893437, 2476033, 2975401, 3890909, 4598347, 20827807, 27236363, 32188429, 50581817, 354072719]

約数ペア:

[(1, 354072719), (7, 50581817), (11, 32188429), (13, 27236363), (17, 20827807), (77, 4598347), (91, 3890909), (119, 2975401), (143, 2476033), (187, 1893437), (221, 1602139), (1001, 353719), (1309, 270491), (1547, 228877), (2431, 145649), (17017, 20807)]