51631648

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 105114240

約数和(自身を除く): 53482592

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 157, 172, 239, 314, 344, 478, 628, 688, 956, 1256, 1376, 1912, 2512, 3824, 5024, 6751, 7648, 10277, 13502, 20554, 27004, 37523, 41108, 54008, 75046, 82216, 108016, 150092, 164432, 216032, 300184, 328864, 600368, 1200736, 1613489, 3226978, 6453956, 12907912, 25815824, 51631648]

約数ペア:

[(1, 51631648), (2, 25815824), (4, 12907912), (8, 6453956), (16, 3226978), (32, 1613489), (43, 1200736), (86, 600368), (157, 328864), (172, 300184), (239, 216032), (314, 164432), (344, 150092), (478, 108016), (628, 82216), (688, 75046), (956, 54008), (1256, 41108), (1376, 37523), (1912, 27004), (2512, 20554), (3824, 13502), (5024, 10277), (6751, 7648)]