1381791008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{195389}}^1$

素因数の和:195429

約数の個数: 48

約数和(自身を含む): 3102011640

約数和(自身を除く): 1720220632

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 7072, 195389, 390778, 781556, 1563112, 2540057, 3126224, 3321613, 5080114, 6252448, 6643226, 10160228, 13286452, 20320456, 26572904, 40640912, 43180969, 53145808, 81281824, 86361938, 106291616, 172723876, 345447752, 690895504, 1381791008]

約数ペア:

[(1, 1381791008), (2, 690895504), (4, 345447752), (8, 172723876), (13, 106291616), (16, 86361938), (17, 81281824), (26, 53145808), (32, 43180969), (34, 40640912), (52, 26572904), (68, 20320456), (104, 13286452), (136, 10160228), (208, 6643226), (221, 6252448), (272, 5080114), (416, 3321613), (442, 3126224), (544, 2540057), (884, 1563112), (1768, 781556), (3536, 390778), (7072, 195389)]