1247968799

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 1687910400

約数和(自身を除く): 439941601

約数列:

[1, 7, 11, 23, 49, 73, 77, 161, 197, 253, 343, 511, 539, 803, 1127, 1379, 1679, 1771, 2167, 3577, 3773, 4531, 5621, 7889, 9653, 11753, 12397, 14381, 15169, 18469, 25039, 31717, 39347, 49841, 67571, 82271, 86779, 100667, 106183, 129283, 158191, 222019, 275429, 330763, 348887, 575897, 704669, 743281, 904981, 1107337, 1554133, 2315341, 2442209, 3638393, 4932683, 6334867, 7751359, 16207387, 17095463, 25468751, 54259513, 113451709, 178281257, 1247968799]

約数ペア:

[(1, 1247968799), (7, 178281257), (11, 113451709), (23, 54259513), (49, 25468751), (73, 17095463), (77, 16207387), (161, 7751359), (197, 6334867), (253, 4932683), (343, 3638393), (511, 2442209), (539, 2315341), (803, 1554133), (1127, 1107337), (1379, 904981), (1679, 743281), (1771, 704669), (2167, 575897), (3577, 348887), (3773, 330763), (4531, 275429), (5621, 222019), (7889, 158191), (9653, 129283), (11753, 106183), (12397, 100667), (14381, 86779), (15169, 82271), (18469, 67571), (25039, 49841), (31717, 39347)]