291238656

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{8819}}^1$

素因数の和:8881

約数の個数: 72

約数和(自身を含む): 793235520

約数和(自身を除く): 501996864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 688, 768, 1032, 1376, 2064, 2752, 4128, 5504, 8256, 8819, 11008, 16512, 17638, 26457, 33024, 35276, 52914, 70552, 105828, 141104, 211656, 282208, 379217, 423312, 564416, 758434, 846624, 1128832, 1137651, 1516868, 1693248, 2257664, 2275302, 3033736, 3386496, 4550604, 6067472, 6772992, 9101208, 12134944, 18202416, 24269888, 36404832, 48539776, 72809664, 97079552, 145619328, 291238656]

約数ペア:

[(1, 291238656), (2, 145619328), (3, 97079552), (4, 72809664), (6, 48539776), (8, 36404832), (12, 24269888), (16, 18202416), (24, 12134944), (32, 9101208), (43, 6772992), (48, 6067472), (64, 4550604), (86, 3386496), (96, 3033736), (128, 2275302), (129, 2257664), (172, 1693248), (192, 1516868), (256, 1137651), (258, 1128832), (344, 846624), (384, 758434), (516, 564416), (688, 423312), (768, 379217), (1032, 282208), (1376, 211656), (2064, 141104), (2752, 105828), (4128, 70552), (5504, 52914), (8256, 35276), (8819, 33024), (11008, 26457), (16512, 17638)]