221042248

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 484848000

約数和(自身を除く): 263805752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 139, 146, 278, 292, 389, 511, 556, 584, 778, 973, 1022, 1112, 1556, 1946, 2044, 2723, 3112, 3892, 4088, 5446, 7784, 10147, 10892, 20294, 21784, 28397, 40588, 54071, 56794, 71029, 81176, 108142, 113588, 142058, 198779, 216284, 227176, 284116, 378497, 397558, 432568, 568232, 756994, 795116, 1513988, 1590232, 3027976, 3947183, 7894366, 15788732, 27630281, 31577464, 55260562, 110521124, 221042248]

約数ペア:

[(1, 221042248), (2, 110521124), (4, 55260562), (7, 31577464), (8, 27630281), (14, 15788732), (28, 7894366), (56, 3947183), (73, 3027976), (139, 1590232), (146, 1513988), (278, 795116), (292, 756994), (389, 568232), (511, 432568), (556, 397558), (584, 378497), (778, 284116), (973, 227176), (1022, 216284), (1112, 198779), (1556, 142058), (1946, 113588), (2044, 108142), (2723, 81176), (3112, 71029), (3892, 56794), (4088, 54071), (5446, 40588), (7784, 28397), (10147, 21784), (10892, 20294)]