138244645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 208417536

約数和(自身を除く): 70172891

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1507, 2621, 4795, 7535, 10549, 13105, 18347, 28831, 52745, 91735, 144155, 201817, 359077, 1009085, 1795385, 2513539, 3949847, 12567695, 19749235, 27648929, 138244645]

約数ペア:

[(1, 138244645), (5, 27648929), (7, 19749235), (11, 12567695), (35, 3949847), (55, 2513539), (77, 1795385), (137, 1009085), (385, 359077), (685, 201817), (959, 144155), (1507, 91735), (2621, 52745), (4795, 28831), (7535, 18347), (10549, 13105)]