81349792

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2093

約数の個数: 48

約数和(自身を含む): 171188640

約数和(自身を除く): 89838848

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 67, 76, 134, 152, 268, 304, 536, 608, 1072, 1273, 1997, 2144, 2546, 3994, 5092, 7988, 10184, 15976, 20368, 31952, 37943, 40736, 63904, 75886, 133799, 151772, 267598, 303544, 535196, 607088, 1070392, 1214176, 2140784, 2542181, 4281568, 5084362, 10168724, 20337448, 40674896, 81349792]

約数ペア:

[(1, 81349792), (2, 40674896), (4, 20337448), (8, 10168724), (16, 5084362), (19, 4281568), (32, 2542181), (38, 2140784), (67, 1214176), (76, 1070392), (134, 607088), (152, 535196), (268, 303544), (304, 267598), (536, 151772), (608, 133799), (1072, 75886), (1273, 63904), (1997, 40736), (2144, 37943), (2546, 31952), (3994, 20368), (5092, 15976), (7988, 10184)]