891259408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{937}}^1$

素因数の和:1244

約数の個数: 80

約数和(自身を含む): 1978467120

約数和(自身を除く): 1087207712

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 269, 272, 442, 538, 884, 937, 1076, 1768, 1874, 2152, 3497, 3536, 3748, 4304, 4573, 6994, 7496, 9146, 12181, 13988, 14992, 15929, 18292, 24362, 27976, 31858, 36584, 48724, 55952, 59449, 63716, 73168, 97448, 118898, 127432, 194896, 207077, 237796, 252053, 254864, 414154, 475592, 504106, 828308, 951184, 1008212, 1656616, 2016424, 3276689, 3313232, 4032848, 4284901, 6553378, 8569802, 13106756, 17139604, 26213512, 34279208, 52427024, 55703713, 68558416, 111407426, 222814852, 445629704, 891259408]

約数ペア:

[(1, 891259408), (2, 445629704), (4, 222814852), (8, 111407426), (13, 68558416), (16, 55703713), (17, 52427024), (26, 34279208), (34, 26213512), (52, 17139604), (68, 13106756), (104, 8569802), (136, 6553378), (208, 4284901), (221, 4032848), (269, 3313232), (272, 3276689), (442, 2016424), (538, 1656616), (884, 1008212), (937, 951184), (1076, 828308), (1768, 504106), (1874, 475592), (2152, 414154), (3497, 254864), (3536, 252053), (3748, 237796), (4304, 207077), (4573, 194896), (6994, 127432), (7496, 118898), (9146, 97448), (12181, 73168), (13988, 63716), (14992, 59449), (15929, 55952), (18292, 48724), (24362, 36584), (27976, 31858)]