40902554

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2043

約数の個数: 48

約数和(自身を含む): 81997920

約数和(自身を除く): 41095366

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 1078, 1463, 1862, 1997, 2926, 3994, 10241, 13979, 20482, 21967, 27958, 37943, 43934, 75886, 97853, 153769, 195706, 265601, 307538, 417373, 531202, 834746, 1076383, 1859207, 2152766, 2921611, 3718414, 5843222, 20451277, 40902554]

約数ペア:

[(1, 40902554), (2, 20451277), (7, 5843222), (11, 3718414), (14, 2921611), (19, 2152766), (22, 1859207), (38, 1076383), (49, 834746), (77, 531202), (98, 417373), (133, 307538), (154, 265601), (209, 195706), (266, 153769), (418, 97853), (539, 75886), (931, 43934), (1078, 37943), (1463, 27958), (1862, 21967), (1997, 20482), (2926, 13979), (3994, 10241)]