81524296

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 182108160

約数和(自身を除く): 100583864

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 151, 217, 248, 302, 311, 434, 604, 622, 868, 1057, 1208, 1244, 1736, 2114, 2177, 2488, 4228, 4354, 4681, 8456, 8708, 9362, 9641, 17416, 18724, 19282, 32767, 37448, 38564, 46961, 65534, 67487, 77128, 93922, 131068, 134974, 187844, 262136, 269948, 328727, 375688, 539896, 657454, 1314908, 1455791, 2629816, 2911582, 5823164, 10190537, 11646328, 20381074, 40762148, 81524296]

約数ペア:

[(1, 81524296), (2, 40762148), (4, 20381074), (7, 11646328), (8, 10190537), (14, 5823164), (28, 2911582), (31, 2629816), (56, 1455791), (62, 1314908), (124, 657454), (151, 539896), (217, 375688), (248, 328727), (302, 269948), (311, 262136), (434, 187844), (604, 134974), (622, 131068), (868, 93922), (1057, 77128), (1208, 67487), (1244, 65534), (1736, 46961), (2114, 38564), (2177, 37448), (2488, 32767), (4228, 19282), (4354, 18724), (4681, 17416), (8456, 9641), (8708, 9362)]