215686328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9923}}^1$

素因数の和:9972

約数の個数: 64

約数和(自身を含む): 500169600

約数和(自身を除く): 284483272

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2717, 5434, 9923, 10868, 19846, 21736, 39692, 79384, 109153, 128999, 188537, 218306, 257998, 377074, 436612, 515996, 754148, 873224, 1031992, 1418989, 1508296, 2073907, 2450981, 2837978, 4147814, 4901962, 5675956, 8295628, 9803924, 11351912, 16591256, 19607848, 26960791, 53921582, 107843164, 215686328]

約数ペア:

[(1, 215686328), (2, 107843164), (4, 53921582), (8, 26960791), (11, 19607848), (13, 16591256), (19, 11351912), (22, 9803924), (26, 8295628), (38, 5675956), (44, 4901962), (52, 4147814), (76, 2837978), (88, 2450981), (104, 2073907), (143, 1508296), (152, 1418989), (209, 1031992), (247, 873224), (286, 754148), (418, 515996), (494, 436612), (572, 377074), (836, 257998), (988, 218306), (1144, 188537), (1672, 128999), (1976, 109153), (2717, 79384), (5434, 39692), (9923, 21736), (10868, 19846)]