80716818

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 203285376

約数和(自身を除く): 122568558

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 431, 546, 637, 686, 862, 1029, 1274, 1293, 1911, 2058, 2401, 2586, 3017, 3822, 4459, 4802, 5603, 6034, 7203, 8918, 9051, 11206, 13377, 14406, 16809, 18102, 21119, 26754, 31213, 33618, 39221, 42238, 62426, 63357, 78442, 93639, 117663, 126714, 147833, 187278, 235326, 274547, 295666, 443499, 549094, 823641, 886998, 1034831, 1647282, 1921829, 2069662, 3104493, 3843658, 5765487, 6208986, 11530974, 13452803, 26905606, 40358409, 80716818]

約数ペア:

[(1, 80716818), (2, 40358409), (3, 26905606), (6, 13452803), (7, 11530974), (13, 6208986), (14, 5765487), (21, 3843658), (26, 3104493), (39, 2069662), (42, 1921829), (49, 1647282), (78, 1034831), (91, 886998), (98, 823641), (147, 549094), (182, 443499), (273, 295666), (294, 274547), (343, 235326), (431, 187278), (546, 147833), (637, 126714), (686, 117663), (862, 93639), (1029, 78442), (1274, 63357), (1293, 62426), (1911, 42238), (2058, 39221), (2401, 33618), (2586, 31213), (3017, 26754), (3822, 21119), (4459, 18102), (4802, 16809), (5603, 14406), (6034, 13377), (7203, 11206), (8918, 9051)]