31110562

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 60192000

約数和(自身を除く): 29081438

約数列:

[1, 2, 7, 14, 19, 29, 37, 38, 58, 74, 109, 133, 203, 218, 259, 266, 406, 518, 551, 703, 763, 1073, 1102, 1406, 1526, 2071, 2146, 3161, 3857, 4033, 4142, 4921, 6322, 7511, 7714, 8066, 9842, 14497, 15022, 20387, 22127, 28231, 28994, 40774, 44254, 56462, 60059, 76627, 116957, 120118, 142709, 153254, 233914, 285418, 420413, 536389, 818699, 840826, 1072778, 1637398, 2222183, 4444366, 15555281, 31110562]

約数ペア:

[(1, 31110562), (2, 15555281), (7, 4444366), (14, 2222183), (19, 1637398), (29, 1072778), (37, 840826), (38, 818699), (58, 536389), (74, 420413), (109, 285418), (133, 233914), (203, 153254), (218, 142709), (259, 120118), (266, 116957), (406, 76627), (518, 60059), (551, 56462), (703, 44254), (763, 40774), (1073, 28994), (1102, 28231), (1406, 22127), (1526, 20387), (2071, 15022), (2146, 14497), (3161, 9842), (3857, 8066), (4033, 7714), (4142, 7511), (4921, 6322)]