212018884

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3449

約数の個数: 72

約数和(自身を含む): 487226880

約数和(自身を除く): 275207996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 539, 638, 812, 1078, 1276, 1421, 2156, 2233, 2842, 3391, 4466, 5684, 6782, 8932, 13564, 15631, 23737, 31262, 37301, 47474, 62524, 74602, 94948, 98339, 149204, 166159, 196678, 261107, 332318, 393356, 522214, 664636, 688373, 1044428, 1081729, 1376746, 1827749, 2163458, 2753492, 3655498, 4326916, 4818611, 7310996, 7572103, 9637222, 15144206, 19274444, 30288412, 53004721, 106009442, 212018884]

約数ペア:

[(1, 212018884), (2, 106009442), (4, 53004721), (7, 30288412), (11, 19274444), (14, 15144206), (22, 9637222), (28, 7572103), (29, 7310996), (44, 4818611), (49, 4326916), (58, 3655498), (77, 2753492), (98, 2163458), (116, 1827749), (154, 1376746), (196, 1081729), (203, 1044428), (308, 688373), (319, 664636), (406, 522214), (539, 393356), (638, 332318), (812, 261107), (1078, 196678), (1276, 166159), (1421, 149204), (2156, 98339), (2233, 94948), (2842, 74602), (3391, 62524), (4466, 47474), (5684, 37301), (6782, 31262), (8932, 23737), (13564, 15631)]