287091056

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 654243840

約数和(自身を除く): 367152784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 79, 112, 142, 158, 284, 316, 457, 497, 553, 568, 632, 914, 994, 1106, 1136, 1264, 1828, 1988, 2212, 3199, 3656, 3976, 4424, 5609, 6398, 7312, 7952, 8848, 11218, 12796, 22436, 25592, 32447, 36103, 39263, 44872, 51184, 64894, 72206, 78526, 89744, 129788, 144412, 157052, 227129, 252721, 259576, 288824, 314104, 454258, 505442, 519152, 577648, 628208, 908516, 1010884, 1817032, 2021768, 2563313, 3634064, 4043536, 5126626, 10253252, 17943191, 20506504, 35886382, 41013008, 71772764, 143545528, 287091056]

約数ペア:

[(1, 287091056), (2, 143545528), (4, 71772764), (7, 41013008), (8, 35886382), (14, 20506504), (16, 17943191), (28, 10253252), (56, 5126626), (71, 4043536), (79, 3634064), (112, 2563313), (142, 2021768), (158, 1817032), (284, 1010884), (316, 908516), (457, 628208), (497, 577648), (553, 519152), (568, 505442), (632, 454258), (914, 314104), (994, 288824), (1106, 259576), (1136, 252721), (1264, 227129), (1828, 157052), (1988, 144412), (2212, 129788), (3199, 89744), (3656, 78526), (3976, 72206), (4424, 64894), (5609, 51184), (6398, 44872), (7312, 39263), (7952, 36103), (8848, 32447), (11218, 25592), (12796, 22436)]