28307526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37494714

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 403, 509, 598, 713, 806, 897, 1018, 1209, 1426, 1527, 1794, 2139, 2418, 3054, 4278, 6617, 9269, 11707, 13234, 15779, 18538, 19851, 23414, 27807, 31558, 35121, 39702, 47337, 55614, 70242, 94674, 152191, 205127, 304382, 362917, 410254, 456573, 615381, 725834, 913146, 1088751, 1230762, 2177502, 4717921, 9435842, 14153763, 28307526]

約数ペア:

[(1, 28307526), (2, 14153763), (3, 9435842), (6, 4717921), (13, 2177502), (23, 1230762), (26, 1088751), (31, 913146), (39, 725834), (46, 615381), (62, 456573), (69, 410254), (78, 362917), (93, 304382), (138, 205127), (186, 152191), (299, 94674), (403, 70242), (509, 55614), (598, 47337), (713, 39702), (806, 35121), (897, 31558), (1018, 27807), (1209, 23414), (1426, 19851), (1527, 18538), (1794, 15779), (2139, 13234), (2418, 11707), (3054, 9269), (4278, 6617)]