129647872

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 274026816

約数和(自身を除く): 144378944

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 97, 128, 184, 194, 227, 256, 368, 388, 454, 736, 776, 908, 1472, 1552, 1816, 2231, 2944, 3104, 3632, 4462, 5221, 5888, 6208, 7264, 8924, 10442, 12416, 14528, 17848, 20884, 22019, 24832, 29056, 35696, 41768, 44038, 58112, 71392, 83536, 88076, 142784, 167072, 176152, 285568, 334144, 352304, 506437, 571136, 668288, 704608, 1012874, 1336576, 1409216, 2025748, 2818432, 4051496, 5636864, 8102992, 16205984, 32411968, 64823936, 129647872]

約数ペア:

[(1, 129647872), (2, 64823936), (4, 32411968), (8, 16205984), (16, 8102992), (23, 5636864), (32, 4051496), (46, 2818432), (64, 2025748), (92, 1409216), (97, 1336576), (128, 1012874), (184, 704608), (194, 668288), (227, 571136), (256, 506437), (368, 352304), (388, 334144), (454, 285568), (736, 176152), (776, 167072), (908, 142784), (1472, 88076), (1552, 83536), (1816, 71392), (2231, 58112), (2944, 44038), (3104, 41768), (3632, 35696), (4462, 29056), (5221, 24832), (5888, 22019), (6208, 20884), (7264, 17848), (8924, 14528), (10442, 12416)]