215375888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2872

約数の個数: 80

約数和(自身を含む): 523466496

約数和(自身を除く): 308090608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 364, 371, 424, 689, 728, 742, 848, 1378, 1456, 1484, 2756, 2791, 2968, 4823, 5512, 5582, 5936, 9646, 11024, 11164, 19292, 19537, 22328, 36283, 38584, 39074, 44656, 72566, 77168, 78148, 145132, 147923, 156296, 253981, 290264, 295846, 312592, 507962, 580528, 591692, 1015924, 1035461, 1183384, 1922999, 2031848, 2070922, 2366768, 3845998, 4063696, 4141844, 7691996, 8283688, 13460993, 15383992, 16567376, 26921986, 30767984, 53843972, 107687944, 215375888]

約数ペア:

[(1, 215375888), (2, 107687944), (4, 53843972), (7, 30767984), (8, 26921986), (13, 16567376), (14, 15383992), (16, 13460993), (26, 8283688), (28, 7691996), (52, 4141844), (53, 4063696), (56, 3845998), (91, 2366768), (104, 2070922), (106, 2031848), (112, 1922999), (182, 1183384), (208, 1035461), (212, 1015924), (364, 591692), (371, 580528), (424, 507962), (689, 312592), (728, 295846), (742, 290264), (848, 253981), (1378, 156296), (1456, 147923), (1484, 145132), (2756, 78148), (2791, 77168), (2968, 72566), (4823, 44656), (5512, 39074), (5582, 38584), (5936, 36283), (9646, 22328), (11024, 19537), (11164, 19292)]