81491564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 182327040

約数和(自身を除く): 100835476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 121, 134, 154, 242, 268, 308, 359, 469, 484, 718, 737, 847, 938, 1436, 1474, 1694, 1876, 2513, 2948, 3388, 3949, 5026, 5159, 7898, 8107, 10052, 10318, 15796, 16214, 20636, 24053, 27643, 32428, 43439, 48106, 55286, 56749, 86878, 96212, 110572, 113498, 168371, 173756, 226996, 264583, 304073, 336742, 529166, 608146, 673484, 1058332, 1216292, 1852081, 2910413, 3704162, 5820826, 7408324, 11641652, 20372891, 40745782, 81491564]

約数ペア:

[(1, 81491564), (2, 40745782), (4, 20372891), (7, 11641652), (11, 7408324), (14, 5820826), (22, 3704162), (28, 2910413), (44, 1852081), (67, 1216292), (77, 1058332), (121, 673484), (134, 608146), (154, 529166), (242, 336742), (268, 304073), (308, 264583), (359, 226996), (469, 173756), (484, 168371), (718, 113498), (737, 110572), (847, 96212), (938, 86878), (1436, 56749), (1474, 55286), (1694, 48106), (1876, 43439), (2513, 32428), (2948, 27643), (3388, 24053), (3949, 20636), (5026, 16214), (5159, 15796), (7898, 10318), (8107, 10052)]