31821981412

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{283}}^1\times {\mathrm{919}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 60915341760

約数和(自身を除く): 29093360348

約数列:

[1, 2, 4, 13, 26, 52, 169, 181, 283, 338, 362, 566, 676, 724, 919, 1132, 1838, 2353, 3676, 3679, 4706, 7358, 9412, 11947, 14716, 23894, 30589, 47788, 47827, 51223, 61178, 95654, 102446, 122356, 155311, 166339, 191308, 204892, 260077, 310622, 332678, 520154, 621244, 665356, 665899, 1040308, 1331798, 2162407, 2663596, 3381001, 4324814, 6762002, 8649628, 8656687, 13524004, 17313374, 28111291, 34626748, 43953013, 47073937, 56222582, 87906026, 94147874, 112445164, 175812052, 188295748, 611961181, 1223922362, 2447844724, 7955495353, 15910990706, 31821981412]

約数ペア:

[(1, 31821981412), (2, 15910990706), (4, 7955495353), (13, 2447844724), (26, 1223922362), (52, 611961181), (169, 188295748), (181, 175812052), (283, 112445164), (338, 94147874), (362, 87906026), (566, 56222582), (676, 47073937), (724, 43953013), (919, 34626748), (1132, 28111291), (1838, 17313374), (2353, 13524004), (3676, 8656687), (3679, 8649628), (4706, 6762002), (7358, 4324814), (9412, 3381001), (11947, 2663596), (14716, 2162407), (23894, 1331798), (30589, 1040308), (47788, 665899), (47827, 665356), (51223, 621244), (61178, 520154), (95654, 332678), (102446, 310622), (122356, 260077), (155311, 204892), (166339, 191308)]