78909886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 138140640

約数和(自身を除く): 59230754

約数列:

[1, 2, 11, 17, 22, 34, 101, 187, 202, 374, 1111, 1717, 2089, 2222, 3434, 4178, 18887, 22979, 35513, 37774, 45958, 71026, 210989, 390643, 421978, 781286, 2320879, 3586813, 4641758, 7173626, 39454943, 78909886]

約数ペア:

[(1, 78909886), (2, 39454943), (11, 7173626), (17, 4641758), (22, 3586813), (34, 2320879), (101, 781286), (187, 421978), (202, 390643), (374, 210989), (1111, 71026), (1717, 45958), (2089, 37774), (2222, 35513), (3434, 22979), (4178, 18887)]