81953508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 247919616

約数和(自身を除く): 165966108

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 52, 69, 78, 84, 91, 92, 138, 156, 161, 169, 182, 251, 273, 276, 299, 322, 338, 364, 483, 502, 507, 546, 598, 644, 676, 753, 897, 966, 1004, 1014, 1092, 1183, 1196, 1506, 1757, 1794, 1932, 2028, 2093, 2366, 3012, 3263, 3514, 3549, 3588, 3887, 4186, 4732, 5271, 5773, 6279, 6526, 7028, 7098, 7774, 8372, 9789, 10542, 11546, 11661, 12558, 13052, 14196, 15548, 17319, 19578, 21084, 22841, 23092, 23322, 25116, 27209, 34638, 39156, 40411, 42419, 45682, 46644, 54418, 68523, 69276, 75049, 80822, 81627, 84838, 91364, 108836, 121233, 127257, 137046, 150098, 161644, 163254, 169676, 225147, 242466, 254514, 274092, 296933, 300196, 326508, 450294, 484932, 509028, 525343, 593866, 890799, 900588, 975637, 1050686, 1187732, 1576029, 1781598, 1951274, 2101372, 2926911, 3152058, 3563196, 3902548, 5853822, 6304116, 6829459, 11707644, 13658918, 20488377, 27317836, 40976754, 81953508]

約数ペア:

[(1, 81953508), (2, 40976754), (3, 27317836), (4, 20488377), (6, 13658918), (7, 11707644), (12, 6829459), (13, 6304116), (14, 5853822), (21, 3902548), (23, 3563196), (26, 3152058), (28, 2926911), (39, 2101372), (42, 1951274), (46, 1781598), (52, 1576029), (69, 1187732), (78, 1050686), (84, 975637), (91, 900588), (92, 890799), (138, 593866), (156, 525343), (161, 509028), (169, 484932), (182, 450294), (251, 326508), (273, 300196), (276, 296933), (299, 274092), (322, 254514), (338, 242466), (364, 225147), (483, 169676), (502, 163254), (507, 161644), (546, 150098), (598, 137046), (644, 127257), (676, 121233), (753, 108836), (897, 91364), (966, 84838), (1004, 81627), (1014, 80822), (1092, 75049), (1183, 69276), (1196, 68523), (1506, 54418), (1757, 46644), (1794, 45682), (1932, 42419), (2028, 40411), (2093, 39156), (2366, 34638), (3012, 27209), (3263, 25116), (3514, 23322), (3549, 23092), (3588, 22841), (3887, 21084), (4186, 19578), (4732, 17319), (5271, 15548), (5773, 14196), (6279, 13052), (6526, 12558), (7028, 11661), (7098, 11546), (7774, 10542), (8372, 9789)]