90214774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 163215360

約数和(自身を除く): 73000586

約数列:

[1, 2, 13, 19, 26, 31, 38, 43, 62, 86, 137, 247, 274, 403, 494, 559, 589, 806, 817, 1118, 1178, 1333, 1634, 1781, 2603, 2666, 3562, 4247, 5206, 5891, 7657, 8494, 10621, 11782, 15314, 17329, 21242, 25327, 33839, 34658, 50654, 55211, 67678, 76583, 80693, 110422, 111929, 153166, 161386, 182621, 223858, 329251, 365242, 658502, 1049009, 1455077, 2098018, 2374073, 2910154, 3469799, 4748146, 6939598, 45107387, 90214774]

約数ペア:

[(1, 90214774), (2, 45107387), (13, 6939598), (19, 4748146), (26, 3469799), (31, 2910154), (38, 2374073), (43, 2098018), (62, 1455077), (86, 1049009), (137, 658502), (247, 365242), (274, 329251), (403, 223858), (494, 182621), (559, 161386), (589, 153166), (806, 111929), (817, 110422), (1118, 80693), (1178, 76583), (1333, 67678), (1634, 55211), (1781, 50654), (2603, 34658), (2666, 33839), (3562, 25327), (4247, 21242), (5206, 17329), (5891, 15314), (7657, 11782), (8494, 10621)]