90019886

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 156280320

約数和(自身を除く): 66260434

約数列:

[1, 2, 11, 22, 29, 58, 101, 121, 127, 202, 242, 254, 319, 638, 1111, 1397, 2222, 2794, 2929, 3509, 3683, 5858, 7018, 7366, 12221, 12827, 15367, 24442, 25654, 30734, 32219, 40513, 64438, 81026, 141097, 282194, 354409, 371983, 445643, 708818, 743966, 891286, 1552067, 3104134, 4091813, 8183626, 45009943, 90019886]

約数ペア:

[(1, 90019886), (2, 45009943), (11, 8183626), (22, 4091813), (29, 3104134), (58, 1552067), (101, 891286), (121, 743966), (127, 708818), (202, 445643), (242, 371983), (254, 354409), (319, 282194), (638, 141097), (1111, 81026), (1397, 64438), (2222, 40513), (2794, 32219), (2929, 30734), (3509, 25654), (3683, 24442), (5858, 15367), (7018, 12827), (7366, 12221)]