681416464

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{359}}^1\times {\mathrm{1223}}^1$

素因数の和:1687

約数の個数: 40

約数和(自身を含む): 1338664320

約数和(自身を除く): 657247856

約数列:

[1, 2, 4, 8, 16, 97, 194, 359, 388, 718, 776, 1223, 1436, 1552, 2446, 2872, 4892, 5744, 9784, 19568, 34823, 69646, 118631, 139292, 237262, 278584, 439057, 474524, 557168, 878114, 949048, 1756228, 1898096, 3512456, 7024912, 42588529, 85177058, 170354116, 340708232, 681416464]

約数ペア:

[(1, 681416464), (2, 340708232), (4, 170354116), (8, 85177058), (16, 42588529), (97, 7024912), (194, 3512456), (359, 1898096), (388, 1756228), (718, 949048), (776, 878114), (1223, 557168), (1436, 474524), (1552, 439057), (2446, 278584), (2872, 237262), (4892, 139292), (5744, 118631), (9784, 69646), (19568, 34823)]