28236816

素因数分解:

$2^4\times 3^3\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:581

約数の個数: 80

約数和(自身を含む): 81750720

約数和(自身を除く): 53513904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 163, 216, 326, 401, 432, 489, 652, 802, 978, 1203, 1304, 1467, 1604, 1956, 2406, 2608, 2934, 3208, 3609, 3912, 4401, 4812, 5868, 6416, 7218, 7824, 8802, 9624, 10827, 11736, 14436, 17604, 19248, 21654, 23472, 28872, 35208, 43308, 57744, 65363, 70416, 86616, 130726, 173232, 196089, 261452, 392178, 522904, 588267, 784356, 1045808, 1176534, 1568712, 1764801, 2353068, 3137424, 3529602, 4706136, 7059204, 9412272, 14118408, 28236816]

約数ペア:

[(1, 28236816), (2, 14118408), (3, 9412272), (4, 7059204), (6, 4706136), (8, 3529602), (9, 3137424), (12, 2353068), (16, 1764801), (18, 1568712), (24, 1176534), (27, 1045808), (36, 784356), (48, 588267), (54, 522904), (72, 392178), (108, 261452), (144, 196089), (163, 173232), (216, 130726), (326, 86616), (401, 70416), (432, 65363), (489, 57744), (652, 43308), (802, 35208), (978, 28872), (1203, 23472), (1304, 21654), (1467, 19248), (1604, 17604), (1956, 14436), (2406, 11736), (2608, 10827), (2934, 9624), (3208, 8802), (3609, 7824), (3912, 7218), (4401, 6416), (4812, 5868)]