738291778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 1364394240

約数和(自身を除く): 626102462

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 193, 197, 266, 386, 394, 511, 1022, 1351, 1379, 1387, 2702, 2758, 2774, 3667, 3743, 7334, 7486, 9709, 14089, 14381, 19418, 25669, 26201, 28178, 28762, 38021, 51338, 52402, 76042, 98623, 100667, 197246, 201334, 266147, 267691, 273239, 532294, 535382, 546478, 722399, 1444798, 1873837, 1912673, 2775533, 3747674, 3825346, 5056793, 5551066, 10113586, 19428731, 38857462, 52735127, 105470254, 369145889, 738291778]

約数ペア:

[(1, 738291778), (2, 369145889), (7, 105470254), (14, 52735127), (19, 38857462), (38, 19428731), (73, 10113586), (133, 5551066), (146, 5056793), (193, 3825346), (197, 3747674), (266, 2775533), (386, 1912673), (394, 1873837), (511, 1444798), (1022, 722399), (1351, 546478), (1379, 535382), (1387, 532294), (2702, 273239), (2758, 267691), (2774, 266147), (3667, 201334), (3743, 197246), (7334, 100667), (7486, 98623), (9709, 76042), (14089, 52402), (14381, 51338), (19418, 38021), (25669, 28762), (26201, 28178)]