81953465076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4580453}}^1$

素因数の和:4580541

約数の個数: 72

約数和(自身を含む): 240089076864

約数和(自身を除く): 158135611788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 5964, 8946, 17892, 4580453, 9160906, 13741359, 18321812, 27482718, 32063171, 41224077, 54965436, 64126342, 82448154, 96189513, 128252684, 164896308, 192379026, 288568539, 325212163, 384758052, 577137078, 650424326, 975636489, 1154274156, 1300848652, 1951272978, 2276485141, 2926909467, 3902545956, 4552970282, 5853818934, 6829455423, 9105940564, 11707637868, 13658910846, 20488366269, 27317821692, 40976732538, 81953465076]

約数ペア:

[(1, 81953465076), (2, 40976732538), (3, 27317821692), (4, 20488366269), (6, 13658910846), (7, 11707637868), (9, 9105940564), (12, 6829455423), (14, 5853818934), (18, 4552970282), (21, 3902545956), (28, 2926909467), (36, 2276485141), (42, 1951272978), (63, 1300848652), (71, 1154274156), (84, 975636489), (126, 650424326), (142, 577137078), (213, 384758052), (252, 325212163), (284, 288568539), (426, 192379026), (497, 164896308), (639, 128252684), (852, 96189513), (994, 82448154), (1278, 64126342), (1491, 54965436), (1988, 41224077), (2556, 32063171), (2982, 27482718), (4473, 18321812), (5964, 13741359), (8946, 9160906), (17892, 4580453)]