1287139568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13721}}^1$

素因数の和:13794

約数の個数: 80

約数和(自身を含む): 3001495392

約数和(自身を除く): 1714355824

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 176, 208, 286, 328, 451, 533, 572, 656, 902, 1066, 1144, 1804, 2132, 2288, 3608, 4264, 5863, 7216, 8528, 11726, 13721, 23452, 27442, 46904, 54884, 93808, 109768, 150931, 178373, 219536, 301862, 356746, 562561, 603724, 713492, 1125122, 1207448, 1426984, 1962103, 2250244, 2414896, 2853968, 3924206, 4500488, 6188171, 7313293, 7848412, 9000976, 12376342, 14626586, 15696824, 24752684, 29253172, 31393648, 49505368, 58506344, 80446223, 99010736, 117012688, 160892446, 321784892, 643569784, 1287139568]

約数ペア:

[(1, 1287139568), (2, 643569784), (4, 321784892), (8, 160892446), (11, 117012688), (13, 99010736), (16, 80446223), (22, 58506344), (26, 49505368), (41, 31393648), (44, 29253172), (52, 24752684), (82, 15696824), (88, 14626586), (104, 12376342), (143, 9000976), (164, 7848412), (176, 7313293), (208, 6188171), (286, 4500488), (328, 3924206), (451, 2853968), (533, 2414896), (572, 2250244), (656, 1962103), (902, 1426984), (1066, 1207448), (1144, 1125122), (1804, 713492), (2132, 603724), (2288, 562561), (3608, 356746), (4264, 301862), (5863, 219536), (7216, 178373), (8528, 150931), (11726, 109768), (13721, 93808), (23452, 54884), (27442, 46904)]