291225616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1193}}^1$

素因数の和:1304

約数の個数: 80

約数和(自身を含む): 657368640

約数和(自身を除く): 366143024

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 73, 76, 88, 146, 152, 176, 209, 292, 304, 418, 584, 803, 836, 1168, 1193, 1387, 1606, 1672, 2386, 2774, 3212, 3344, 4772, 5548, 6424, 9544, 11096, 12848, 13123, 15257, 19088, 22192, 22667, 26246, 30514, 45334, 52492, 61028, 87089, 90668, 104984, 122056, 174178, 181336, 209968, 244112, 249337, 348356, 362672, 498674, 696712, 957979, 997348, 1393424, 1654691, 1915958, 1994696, 3309382, 3831916, 3989392, 6618764, 7663832, 13237528, 15327664, 18201601, 26475056, 36403202, 72806404, 145612808, 291225616]

約数ペア:

[(1, 291225616), (2, 145612808), (4, 72806404), (8, 36403202), (11, 26475056), (16, 18201601), (19, 15327664), (22, 13237528), (38, 7663832), (44, 6618764), (73, 3989392), (76, 3831916), (88, 3309382), (146, 1994696), (152, 1915958), (176, 1654691), (209, 1393424), (292, 997348), (304, 957979), (418, 696712), (584, 498674), (803, 362672), (836, 348356), (1168, 249337), (1193, 244112), (1387, 209968), (1606, 181336), (1672, 174178), (2386, 122056), (2774, 104984), (3212, 90668), (3344, 87089), (4772, 61028), (5548, 52492), (6424, 45334), (9544, 30514), (11096, 26246), (12848, 22667), (13123, 22192), (15257, 19088)]