281921992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 606657600

約数和(自身を除く): 324735608

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 61, 88, 116, 122, 232, 244, 319, 488, 638, 671, 1276, 1342, 1769, 1811, 2552, 2684, 3538, 3622, 5368, 7076, 7244, 14152, 14488, 19459, 19921, 38918, 39842, 52519, 77836, 79684, 105038, 110471, 155672, 159368, 210076, 220942, 420152, 441884, 577709, 883768, 1155418, 1215181, 2310836, 2430362, 3203659, 4621672, 4860724, 6407318, 9721448, 12814636, 25629272, 35240249, 70480498, 140960996, 281921992]

約数ペア:

[(1, 281921992), (2, 140960996), (4, 70480498), (8, 35240249), (11, 25629272), (22, 12814636), (29, 9721448), (44, 6407318), (58, 4860724), (61, 4621672), (88, 3203659), (116, 2430362), (122, 2310836), (232, 1215181), (244, 1155418), (319, 883768), (488, 577709), (638, 441884), (671, 420152), (1276, 220942), (1342, 210076), (1769, 159368), (1811, 155672), (2552, 110471), (2684, 105038), (3538, 79684), (3622, 77836), (5368, 52519), (7076, 39842), (7244, 38918), (14152, 19921), (14488, 19459)]