840891771692

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12491}}^1\times {\mathrm{126541}}^1$

素因数の和:139062

約数の個数: 48

約数和(自身を含む): 1770454183680

約数和(自身を除く): 929562411988

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 12491, 24982, 49964, 87437, 126541, 174874, 237329, 253082, 349748, 474658, 506164, 885787, 949316, 1661303, 1771574, 2404279, 3322606, 3543148, 4808558, 6645212, 9617116, 16829953, 33659906, 67319812, 1580623631, 3161247262, 6322494524, 11064365417, 22128730834, 30031848989, 44257461668, 60063697978, 120127395956, 210222942923, 420445885846, 840891771692]

約数ペア:

[(1, 840891771692), (2, 420445885846), (4, 210222942923), (7, 120127395956), (14, 60063697978), (19, 44257461668), (28, 30031848989), (38, 22128730834), (76, 11064365417), (133, 6322494524), (266, 3161247262), (532, 1580623631), (12491, 67319812), (24982, 33659906), (49964, 16829953), (87437, 9617116), (126541, 6645212), (174874, 4808558), (237329, 3543148), (253082, 3322606), (349748, 2404279), (474658, 1771574), (506164, 1661303), (885787, 949316)]