128258816

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3767}}^1$

素因数の和:3809

約数の個数: 72

約数和(自身を含む): 308071680

約数和(自身を除く): 179812864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 3767, 4256, 4864, 7534, 8512, 15068, 17024, 26369, 30136, 34048, 52738, 60272, 71573, 105476, 120544, 143146, 210952, 241088, 286292, 421904, 482176, 501011, 572584, 843808, 964352, 1002022, 1145168, 1687616, 2004044, 2290336, 3375232, 4008088, 4580672, 6750464, 8016176, 9161344, 16032352, 18322688, 32064704, 64129408, 128258816]

約数ペア:

[(1, 128258816), (2, 64129408), (4, 32064704), (7, 18322688), (8, 16032352), (14, 9161344), (16, 8016176), (19, 6750464), (28, 4580672), (32, 4008088), (38, 3375232), (56, 2290336), (64, 2004044), (76, 1687616), (112, 1145168), (128, 1002022), (133, 964352), (152, 843808), (224, 572584), (256, 501011), (266, 482176), (304, 421904), (448, 286292), (532, 241088), (608, 210952), (896, 143146), (1064, 120544), (1216, 105476), (1792, 71573), (2128, 60272), (2432, 52738), (3767, 34048), (4256, 30136), (4864, 26369), (7534, 17024), (8512, 15068)]