261501184

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2095

約数の個数: 72

約数和(自身を含む): 605024000

約数和(自身を除く): 343522816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 584, 896, 1022, 1168, 1792, 1999, 2044, 2336, 3998, 4088, 4672, 7996, 8176, 9344, 13993, 15992, 16352, 18688, 27986, 31984, 32704, 55972, 63968, 65408, 111944, 127936, 130816, 145927, 223888, 255872, 291854, 447776, 511744, 583708, 895552, 1021489, 1167416, 1791104, 2042978, 2334832, 3582208, 4085956, 4669664, 8171912, 9339328, 16343824, 18678656, 32687648, 37357312, 65375296, 130750592, 261501184]

約数ペア:

[(1, 261501184), (2, 130750592), (4, 65375296), (7, 37357312), (8, 32687648), (14, 18678656), (16, 16343824), (28, 9339328), (32, 8171912), (56, 4669664), (64, 4085956), (73, 3582208), (112, 2334832), (128, 2042978), (146, 1791104), (224, 1167416), (256, 1021489), (292, 895552), (448, 583708), (511, 511744), (584, 447776), (896, 291854), (1022, 255872), (1168, 223888), (1792, 145927), (1999, 130816), (2044, 127936), (2336, 111944), (3998, 65408), (4088, 63968), (4672, 55972), (7996, 32704), (8176, 31984), (9344, 27986), (13993, 18688), (15992, 16352)]