661776726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{743}}^1$

素因数の和:1381

約数の個数: 64

約数和(自身を含む): 1504903680

約数和(自身を除く): 843126954

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 601, 741, 743, 1202, 1482, 1486, 1803, 2229, 3606, 4458, 7813, 9659, 11419, 14117, 15626, 19318, 22838, 23439, 28234, 28977, 34257, 42351, 46878, 57954, 68514, 84702, 148447, 183521, 296894, 367042, 445341, 446543, 550563, 890682, 893086, 1101126, 1339629, 2679258, 5805059, 8484317, 11610118, 16968634, 17415177, 25452951, 34830354, 50905902, 110296121, 220592242, 330888363, 661776726]

約数ペア:

[(1, 661776726), (2, 330888363), (3, 220592242), (6, 110296121), (13, 50905902), (19, 34830354), (26, 25452951), (38, 17415177), (39, 16968634), (57, 11610118), (78, 8484317), (114, 5805059), (247, 2679258), (494, 1339629), (601, 1101126), (741, 893086), (743, 890682), (1202, 550563), (1482, 446543), (1486, 445341), (1803, 367042), (2229, 296894), (3606, 183521), (4458, 148447), (7813, 84702), (9659, 68514), (11419, 57954), (14117, 46878), (15626, 42351), (19318, 34257), (22838, 28977), (23439, 28234)]