81725982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 184590336

約数和(自身を除く): 102864354

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 73, 78, 93, 146, 186, 219, 403, 438, 463, 806, 926, 949, 1209, 1389, 1898, 2263, 2418, 2778, 2847, 4526, 5694, 6019, 6789, 12038, 13578, 14353, 18057, 28706, 29419, 33799, 36114, 43059, 58838, 67598, 86118, 88257, 101397, 176514, 186589, 202794, 373178, 439387, 559767, 878774, 1047769, 1119534, 1318161, 2095538, 2636322, 3143307, 6286614, 13620997, 27241994, 40862991, 81725982]

約数ペア:

[(1, 81725982), (2, 40862991), (3, 27241994), (6, 13620997), (13, 6286614), (26, 3143307), (31, 2636322), (39, 2095538), (62, 1318161), (73, 1119534), (78, 1047769), (93, 878774), (146, 559767), (186, 439387), (219, 373178), (403, 202794), (438, 186589), (463, 176514), (806, 101397), (926, 88257), (949, 86118), (1209, 67598), (1389, 58838), (1898, 43059), (2263, 36114), (2418, 33799), (2778, 29419), (2847, 28706), (4526, 18057), (5694, 14353), (6019, 13578), (6789, 12038)]