1640386776

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{21089}}^1$

素因数の和:21568

約数の個数: 64

約数和(自身を含む): 4697164800

約数和(自身を除く): 3056778024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 463, 926, 1389, 1852, 2778, 3241, 3704, 5556, 6482, 9723, 11112, 12964, 19446, 21089, 25928, 38892, 42178, 63267, 77784, 84356, 126534, 147623, 168712, 253068, 295246, 442869, 506136, 590492, 885738, 1180984, 1771476, 3542952, 9764207, 19528414, 29292621, 39056828, 58585242, 68349449, 78113656, 117170484, 136698898, 205048347, 234340968, 273397796, 410096694, 546795592, 820193388, 1640386776]

約数ペア:

[(1, 1640386776), (2, 820193388), (3, 546795592), (4, 410096694), (6, 273397796), (7, 234340968), (8, 205048347), (12, 136698898), (14, 117170484), (21, 78113656), (24, 68349449), (28, 58585242), (42, 39056828), (56, 29292621), (84, 19528414), (168, 9764207), (463, 3542952), (926, 1771476), (1389, 1180984), (1852, 885738), (2778, 590492), (3241, 506136), (3704, 442869), (5556, 295246), (6482, 253068), (9723, 168712), (11112, 147623), (12964, 126534), (19446, 84356), (21089, 77784), (25928, 63267), (38892, 42178)]