71831844

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1014

約数の個数: 108

約数和(自身を含む): 216360144

約数和(自身を除く): 144528300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 387, 441, 516, 588, 602, 774, 882, 903, 947, 1204, 1548, 1764, 1806, 1894, 2107, 2709, 2841, 3612, 3788, 4214, 5418, 5682, 6321, 6629, 8428, 8523, 10836, 11364, 12642, 13258, 17046, 18963, 19887, 25284, 26516, 34092, 37926, 39774, 40721, 46403, 59661, 75852, 79548, 81442, 92806, 119322, 122163, 139209, 162884, 185612, 238644, 244326, 278418, 285047, 366489, 417627, 488652, 556836, 570094, 732978, 835254, 855141, 1140188, 1465956, 1670508, 1710282, 1995329, 2565423, 3420564, 3990658, 5130846, 5985987, 7981316, 10261692, 11971974, 17957961, 23943948, 35915922, 71831844]

約数ペア:

[(1, 71831844), (2, 35915922), (3, 23943948), (4, 17957961), (6, 11971974), (7, 10261692), (9, 7981316), (12, 5985987), (14, 5130846), (18, 3990658), (21, 3420564), (28, 2565423), (36, 1995329), (42, 1710282), (43, 1670508), (49, 1465956), (63, 1140188), (84, 855141), (86, 835254), (98, 732978), (126, 570094), (129, 556836), (147, 488652), (172, 417627), (196, 366489), (252, 285047), (258, 278418), (294, 244326), (301, 238644), (387, 185612), (441, 162884), (516, 139209), (588, 122163), (602, 119322), (774, 92806), (882, 81442), (903, 79548), (947, 75852), (1204, 59661), (1548, 46403), (1764, 40721), (1806, 39774), (1894, 37926), (2107, 34092), (2709, 26516), (2841, 25284), (3612, 19887), (3788, 18963), (4214, 17046), (5418, 13258), (5682, 12642), (6321, 11364), (6629, 10836), (8428, 8523)]