1889271392

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{1987}}^1$

素因数の和:2731

約数の個数: 48

約数和(自身を含む): 3813429312

約数和(自身を除く): 1924157920

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 691, 1376, 1382, 1987, 2764, 3974, 5528, 7948, 11056, 15896, 22112, 29713, 31792, 59426, 63584, 85441, 118852, 170882, 237704, 341764, 475408, 683528, 950816, 1367056, 1373017, 2734112, 2746034, 5492068, 10984136, 21968272, 43936544, 59039731, 118079462, 236158924, 472317848, 944635696, 1889271392]

約数ペア:

[(1, 1889271392), (2, 944635696), (4, 472317848), (8, 236158924), (16, 118079462), (32, 59039731), (43, 43936544), (86, 21968272), (172, 10984136), (344, 5492068), (688, 2746034), (691, 2734112), (1376, 1373017), (1382, 1367056), (1987, 950816), (2764, 683528), (3974, 475408), (5528, 341764), (7948, 237704), (11056, 170882), (15896, 118852), (22112, 85441), (29713, 63584), (31792, 59426)]