81628022

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 149079168

約数和(自身を除く): 67451146

約数列:

[1, 2, 7, 14, 31, 49, 62, 97, 98, 194, 217, 277, 434, 554, 679, 1358, 1519, 1939, 3007, 3038, 3878, 4753, 6014, 8587, 9506, 13573, 17174, 21049, 26869, 27146, 42098, 53738, 60109, 120218, 147343, 188083, 294686, 376166, 420763, 832939, 841526, 1316581, 1665878, 2633162, 5830573, 11661146, 40814011, 81628022]

約数ペア:

[(1, 81628022), (2, 40814011), (7, 11661146), (14, 5830573), (31, 2633162), (49, 1665878), (62, 1316581), (97, 841526), (98, 832939), (194, 420763), (217, 376166), (277, 294686), (434, 188083), (554, 147343), (679, 120218), (1358, 60109), (1519, 53738), (1939, 42098), (3007, 27146), (3038, 26869), (3878, 21049), (4753, 17174), (6014, 13573), (8587, 9506)]