81492292

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 177475200

約数和(自身を除く): 95982908

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 79, 98, 133, 158, 196, 266, 277, 316, 532, 553, 554, 931, 1106, 1108, 1501, 1862, 1939, 2212, 3002, 3724, 3871, 3878, 5263, 6004, 7742, 7756, 10507, 10526, 13573, 15484, 21014, 21052, 21883, 27146, 36841, 42028, 43766, 54292, 73549, 73682, 87532, 147098, 147364, 153181, 257887, 294196, 306362, 415777, 515774, 612724, 831554, 1031548, 1072267, 1663108, 2144534, 2910439, 4289068, 5820878, 11641756, 20373073, 40746146, 81492292]

約数ペア:

[(1, 81492292), (2, 40746146), (4, 20373073), (7, 11641756), (14, 5820878), (19, 4289068), (28, 2910439), (38, 2144534), (49, 1663108), (76, 1072267), (79, 1031548), (98, 831554), (133, 612724), (158, 515774), (196, 415777), (266, 306362), (277, 294196), (316, 257887), (532, 153181), (553, 147364), (554, 147098), (931, 87532), (1106, 73682), (1108, 73549), (1501, 54292), (1862, 43766), (1939, 42028), (2212, 36841), (3002, 27146), (3724, 21883), (3871, 21052), (3878, 21014), (5263, 15484), (6004, 13573), (7742, 10526), (7756, 10507)]