81685408

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1182

約数の個数: 96

約数和(自身を含む): 205027200

約数和(自身を除く): 123341792

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 224, 238, 266, 272, 304, 323, 476, 532, 544, 608, 646, 952, 1064, 1129, 1292, 1904, 2128, 2258, 2261, 2584, 3808, 4256, 4516, 4522, 5168, 7903, 9032, 9044, 10336, 15806, 18064, 18088, 19193, 21451, 31612, 36128, 36176, 38386, 42902, 63224, 72352, 76772, 85804, 126448, 134351, 150157, 153544, 171608, 252896, 268702, 300314, 307088, 343216, 364667, 537404, 600628, 614176, 686432, 729334, 1074808, 1201256, 1458668, 2149616, 2402512, 2552669, 2917336, 4299232, 4805024, 5105338, 5834672, 10210676, 11669344, 20421352, 40842704, 81685408]

約数ペア:

[(1, 81685408), (2, 40842704), (4, 20421352), (7, 11669344), (8, 10210676), (14, 5834672), (16, 5105338), (17, 4805024), (19, 4299232), (28, 2917336), (32, 2552669), (34, 2402512), (38, 2149616), (56, 1458668), (68, 1201256), (76, 1074808), (112, 729334), (119, 686432), (133, 614176), (136, 600628), (152, 537404), (224, 364667), (238, 343216), (266, 307088), (272, 300314), (304, 268702), (323, 252896), (476, 171608), (532, 153544), (544, 150157), (608, 134351), (646, 126448), (952, 85804), (1064, 76772), (1129, 72352), (1292, 63224), (1904, 42902), (2128, 38386), (2258, 36176), (2261, 36128), (2584, 31612), (3808, 21451), (4256, 19193), (4516, 18088), (4522, 18064), (5168, 15806), (7903, 10336), (9032, 9044)]