161807968

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 378411264

約数和(自身を除く): 216603296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 107, 112, 157, 172, 214, 224, 301, 314, 344, 428, 602, 628, 688, 749, 856, 1099, 1204, 1256, 1376, 1498, 1712, 2198, 2408, 2512, 2996, 3424, 4396, 4601, 4816, 5024, 5992, 6751, 8792, 9202, 9632, 11984, 13502, 16799, 17584, 18404, 23968, 27004, 32207, 33598, 35168, 36808, 47257, 54008, 64414, 67196, 73616, 94514, 108016, 117593, 128828, 134392, 147232, 189028, 216032, 235186, 257656, 268784, 378056, 470372, 515312, 537568, 722357, 756112, 940744, 1030624, 1444714, 1512224, 1881488, 2889428, 3762976, 5056499, 5778856, 10112998, 11557712, 20225996, 23115424, 40451992, 80903984, 161807968]

約数ペア:

[(1, 161807968), (2, 80903984), (4, 40451992), (7, 23115424), (8, 20225996), (14, 11557712), (16, 10112998), (28, 5778856), (32, 5056499), (43, 3762976), (56, 2889428), (86, 1881488), (107, 1512224), (112, 1444714), (157, 1030624), (172, 940744), (214, 756112), (224, 722357), (301, 537568), (314, 515312), (344, 470372), (428, 378056), (602, 268784), (628, 257656), (688, 235186), (749, 216032), (856, 189028), (1099, 147232), (1204, 134392), (1256, 128828), (1376, 117593), (1498, 108016), (1712, 94514), (2198, 73616), (2408, 67196), (2512, 64414), (2996, 54008), (3424, 47257), (4396, 36808), (4601, 35168), (4816, 33598), (5024, 32207), (5992, 27004), (6751, 23968), (8792, 18404), (9202, 17584), (9632, 16799), (11984, 13502)]