520571470

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 946352160

約数和(自身を除く): 425780690

約数列:

[1, 2, 5, 10, 163, 326, 389, 778, 815, 821, 1630, 1642, 1945, 3890, 4105, 8210, 63407, 126814, 133823, 267646, 317035, 319369, 634070, 638738, 669115, 1338230, 1596845, 3193690, 52057147, 104114294, 260285735, 520571470]

約数ペア:

[(1, 520571470), (2, 260285735), (5, 104114294), (10, 52057147), (163, 3193690), (326, 1596845), (389, 1338230), (778, 669115), (815, 638738), (821, 634070), (1630, 319369), (1642, 317035), (1945, 267646), (3890, 133823), (4105, 126814), (8210, 63407)]