257772528

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137699}}^1$

素因数の和:137726

約数の個数: 60

約数和(自身を含む): 776903400

約数和(自身を除く): 519130872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 137699, 275398, 413097, 550796, 826194, 1101592, 1239291, 1652388, 1790087, 2203184, 2478582, 3304776, 3580174, 4957164, 5370261, 6609552, 7160348, 9914328, 10740522, 14320696, 16110783, 19828656, 21481044, 28641392, 32221566, 42962088, 64443132, 85924176, 128886264, 257772528]

約数ペア:

[(1, 257772528), (2, 128886264), (3, 85924176), (4, 64443132), (6, 42962088), (8, 32221566), (9, 28641392), (12, 21481044), (13, 19828656), (16, 16110783), (18, 14320696), (24, 10740522), (26, 9914328), (36, 7160348), (39, 6609552), (48, 5370261), (52, 4957164), (72, 3580174), (78, 3304776), (104, 2478582), (117, 2203184), (144, 1790087), (156, 1652388), (208, 1239291), (234, 1101592), (312, 826194), (468, 550796), (624, 413097), (936, 275398), (1872, 137699)]