677777478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 1681827840

約数和(自身を除く): 1004050362

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 69, 82, 109, 123, 138, 157, 161, 218, 246, 287, 314, 322, 327, 471, 483, 574, 654, 763, 861, 942, 943, 966, 1099, 1526, 1722, 1886, 2198, 2289, 2507, 2829, 3297, 3611, 4469, 4578, 5014, 5658, 6437, 6594, 6601, 7222, 7521, 8938, 10833, 12874, 13202, 13407, 15042, 17113, 17549, 19311, 19803, 21666, 25277, 26814, 31283, 34226, 35098, 38622, 39606, 45059, 50554, 51339, 52647, 62566, 75831, 90118, 93849, 102678, 102787, 105294, 119791, 135177, 148051, 151662, 187698, 205574, 239582, 270354, 296102, 308361, 359373, 393599, 444153, 616722, 701633, 718746, 719509, 787198, 888306, 1036357, 1180797, 1403266, 1439018, 2072714, 2104899, 2158527, 2361594, 2755193, 3109071, 4209798, 4317054, 4911431, 5510386, 6218142, 8265579, 9822862, 14734293, 16137559, 16531158, 29468586, 32275118, 48412677, 96825354, 112962913, 225925826, 338888739, 677777478]

約数ペア:

[(1, 677777478), (2, 338888739), (3, 225925826), (6, 112962913), (7, 96825354), (14, 48412677), (21, 32275118), (23, 29468586), (41, 16531158), (42, 16137559), (46, 14734293), (69, 9822862), (82, 8265579), (109, 6218142), (123, 5510386), (138, 4911431), (157, 4317054), (161, 4209798), (218, 3109071), (246, 2755193), (287, 2361594), (314, 2158527), (322, 2104899), (327, 2072714), (471, 1439018), (483, 1403266), (574, 1180797), (654, 1036357), (763, 888306), (861, 787198), (942, 719509), (943, 718746), (966, 701633), (1099, 616722), (1526, 444153), (1722, 393599), (1886, 359373), (2198, 308361), (2289, 296102), (2507, 270354), (2829, 239582), (3297, 205574), (3611, 187698), (4469, 151662), (4578, 148051), (5014, 135177), (5658, 119791), (6437, 105294), (6594, 102787), (6601, 102678), (7222, 93849), (7521, 90118), (8938, 75831), (10833, 62566), (12874, 52647), (13202, 51339), (13407, 50554), (15042, 45059), (17113, 39606), (17549, 38622), (19311, 35098), (19803, 34226), (21666, 31283), (25277, 26814)]