81640768

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1415

約数の個数: 56

約数和(自身を含む): 178856640

約数和(自身を除く): 97215872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 176, 178, 352, 356, 704, 712, 979, 1303, 1424, 1958, 2606, 2848, 3916, 5212, 5696, 7832, 10424, 14333, 15664, 20848, 28666, 31328, 41696, 57332, 62656, 83392, 114664, 115967, 229328, 231934, 458656, 463868, 917312, 927736, 1275637, 1855472, 2551274, 3710944, 5102548, 7421888, 10205096, 20410192, 40820384, 81640768]

約数ペア:

[(1, 81640768), (2, 40820384), (4, 20410192), (8, 10205096), (11, 7421888), (16, 5102548), (22, 3710944), (32, 2551274), (44, 1855472), (64, 1275637), (88, 927736), (89, 917312), (176, 463868), (178, 458656), (352, 231934), (356, 229328), (704, 115967), (712, 114664), (979, 83392), (1303, 62656), (1424, 57332), (1958, 41696), (2606, 31328), (2848, 28666), (3916, 20848), (5212, 15664), (5696, 14333), (7832, 10424)]