25808601

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 46061568

約数和(自身を除く): 20252967

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 67, 83, 91, 119, 201, 221, 249, 273, 357, 469, 581, 663, 871, 1079, 1139, 1407, 1411, 1547, 1743, 2613, 3237, 3417, 4233, 4641, 5561, 6097, 7553, 7973, 9877, 14807, 16683, 18291, 18343, 22659, 23919, 29631, 38927, 44421, 55029, 72293, 94537, 103649, 116781, 128401, 216879, 283611, 310947, 385203, 506051, 661759, 1228981, 1518153, 1985277, 3686943, 8602867, 25808601]

約数ペア:

[(1, 25808601), (3, 8602867), (7, 3686943), (13, 1985277), (17, 1518153), (21, 1228981), (39, 661759), (51, 506051), (67, 385203), (83, 310947), (91, 283611), (119, 216879), (201, 128401), (221, 116781), (249, 103649), (273, 94537), (357, 72293), (469, 55029), (581, 44421), (663, 38927), (871, 29631), (1079, 23919), (1139, 22659), (1407, 18343), (1411, 18291), (1547, 16683), (1743, 14807), (2613, 9877), (3237, 7973), (3417, 7553), (4233, 6097), (4641, 5561)]