81773824

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 181016640

約数和(自身を除く): 99242816

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 256, 284, 352, 409, 568, 704, 781, 818, 1136, 1408, 1562, 1636, 2272, 2816, 3124, 3272, 4499, 4544, 6248, 6544, 8998, 9088, 12496, 13088, 17996, 18176, 24992, 26176, 29039, 35992, 49984, 52352, 58078, 71984, 99968, 104704, 116156, 143968, 199936, 232312, 287936, 319429, 464624, 575872, 638858, 929248, 1151744, 1277716, 1858496, 2555432, 3716992, 5110864, 7433984, 10221728, 20443456, 40886912, 81773824]

約数ペア:

[(1, 81773824), (2, 40886912), (4, 20443456), (8, 10221728), (11, 7433984), (16, 5110864), (22, 3716992), (32, 2555432), (44, 1858496), (64, 1277716), (71, 1151744), (88, 929248), (128, 638858), (142, 575872), (176, 464624), (256, 319429), (284, 287936), (352, 232312), (409, 199936), (568, 143968), (704, 116156), (781, 104704), (818, 99968), (1136, 71984), (1408, 58078), (1562, 52352), (1636, 49984), (2272, 35992), (2816, 29039), (3124, 26176), (3272, 24992), (4499, 18176), (4544, 17996), (6248, 13088), (6544, 12496), (8998, 9088)]