397804810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{4759}}^1$

素因数の和:5422

約数の個数: 32

約数和(自身を含む): 772490880

約数和(自身を除く): 374686070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 643, 1286, 3215, 4759, 6430, 8359, 9518, 16718, 23795, 41795, 47590, 61867, 83590, 123734, 309335, 618670, 3060037, 6120074, 15300185, 30600370, 39780481, 79560962, 198902405, 397804810]

約数ペア:

[(1, 397804810), (2, 198902405), (5, 79560962), (10, 39780481), (13, 30600370), (26, 15300185), (65, 6120074), (130, 3060037), (643, 618670), (1286, 309335), (3215, 123734), (4759, 83590), (6430, 61867), (8359, 47590), (9518, 41795), (16718, 23795)]