78816108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 215115264

約数和(自身を除く): 136299156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 311, 431, 588, 622, 862, 933, 1244, 1293, 1724, 1866, 2177, 2586, 3017, 3732, 4354, 5172, 6034, 6531, 8708, 9051, 12068, 13062, 15239, 18102, 21119, 26124, 30478, 36204, 42238, 45717, 60956, 63357, 84476, 91434, 126714, 134041, 182868, 253428, 268082, 402123, 536164, 804246, 938287, 1608492, 1876574, 2814861, 3753148, 5629722, 6568009, 11259444, 13136018, 19704027, 26272036, 39408054, 78816108]

約数ペア:

[(1, 78816108), (2, 39408054), (3, 26272036), (4, 19704027), (6, 13136018), (7, 11259444), (12, 6568009), (14, 5629722), (21, 3753148), (28, 2814861), (42, 1876574), (49, 1608492), (84, 938287), (98, 804246), (147, 536164), (196, 402123), (294, 268082), (311, 253428), (431, 182868), (588, 134041), (622, 126714), (862, 91434), (933, 84476), (1244, 63357), (1293, 60956), (1724, 45717), (1866, 42238), (2177, 36204), (2586, 30478), (3017, 26124), (3732, 21119), (4354, 18102), (5172, 15239), (6034, 13062), (6531, 12068), (8708, 9051)]