217031248

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3677}}^1$

素因数の和:3740

約数の個数: 80

約数和(自身を含む): 525394944

約数和(自身を除く): 308363696

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 434, 476, 496, 527, 868, 952, 1054, 1736, 1904, 2108, 3472, 3677, 3689, 4216, 7354, 7378, 8432, 14708, 14756, 25739, 29416, 29512, 51478, 58832, 59024, 62509, 102956, 113987, 125018, 205912, 227974, 250036, 411824, 437563, 455948, 500072, 797909, 875126, 911896, 1000144, 1595818, 1750252, 1823792, 1937779, 3191636, 3500504, 3875558, 6383272, 7001008, 7751116, 12766544, 13564453, 15502232, 27128906, 31004464, 54257812, 108515624, 217031248]

約数ペア:

[(1, 217031248), (2, 108515624), (4, 54257812), (7, 31004464), (8, 27128906), (14, 15502232), (16, 13564453), (17, 12766544), (28, 7751116), (31, 7001008), (34, 6383272), (56, 3875558), (62, 3500504), (68, 3191636), (112, 1937779), (119, 1823792), (124, 1750252), (136, 1595818), (217, 1000144), (238, 911896), (248, 875126), (272, 797909), (434, 500072), (476, 455948), (496, 437563), (527, 411824), (868, 250036), (952, 227974), (1054, 205912), (1736, 125018), (1904, 113987), (2108, 102956), (3472, 62509), (3677, 59024), (3689, 58832), (4216, 51478), (7354, 29512), (7378, 29416), (8432, 25739), (14708, 14756)]