71348816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2052

約数の個数: 80

約数和(自身を含む): 178381440

約数和(自身を除く): 107032624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 616, 638, 812, 1232, 1276, 1624, 1997, 2233, 2552, 3248, 3994, 4466, 5104, 7988, 8932, 13979, 15976, 17864, 21967, 27958, 31952, 35728, 43934, 55916, 57913, 87868, 111832, 115826, 153769, 175736, 223664, 231652, 307538, 351472, 405391, 463304, 615076, 637043, 810782, 926608, 1230152, 1274086, 1621564, 2460304, 2548172, 3243128, 4459301, 5096344, 6486256, 8918602, 10192688, 17837204, 35674408, 71348816]

約数ペア:

[(1, 71348816), (2, 35674408), (4, 17837204), (7, 10192688), (8, 8918602), (11, 6486256), (14, 5096344), (16, 4459301), (22, 3243128), (28, 2548172), (29, 2460304), (44, 1621564), (56, 1274086), (58, 1230152), (77, 926608), (88, 810782), (112, 637043), (116, 615076), (154, 463304), (176, 405391), (203, 351472), (232, 307538), (308, 231652), (319, 223664), (406, 175736), (464, 153769), (616, 115826), (638, 111832), (812, 87868), (1232, 57913), (1276, 55916), (1624, 43934), (1997, 35728), (2233, 31952), (2552, 27958), (3248, 21967), (3994, 17864), (4466, 15976), (5104, 13979), (7988, 8932)]