81984088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 169574400

約数和(自身を除く): 87590312

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 127, 137, 152, 248, 254, 274, 508, 548, 589, 1016, 1096, 1178, 2356, 2413, 2603, 3937, 4247, 4712, 4826, 5206, 7874, 8494, 9652, 10412, 15748, 16988, 17399, 19304, 20824, 31496, 33976, 34798, 69596, 74803, 80693, 139192, 149606, 161386, 299212, 322772, 330581, 539369, 598424, 645544, 661162, 1078738, 1322324, 2157476, 2644648, 4314952, 10248011, 20496022, 40992044, 81984088]

約数ペア:

[(1, 81984088), (2, 40992044), (4, 20496022), (8, 10248011), (19, 4314952), (31, 2644648), (38, 2157476), (62, 1322324), (76, 1078738), (124, 661162), (127, 645544), (137, 598424), (152, 539369), (248, 330581), (254, 322772), (274, 299212), (508, 161386), (548, 149606), (589, 139192), (1016, 80693), (1096, 74803), (1178, 69596), (2356, 34798), (2413, 33976), (2603, 31496), (3937, 20824), (4247, 19304), (4712, 17399), (4826, 16988), (5206, 15748), (7874, 10412), (8494, 9652)]