81550616

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15013}}^1$

素因数の和:15123

約数の個数: 32

約数和(自身を含む): 176564640

約数和(自身を除く): 95014024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 15013, 30026, 60052, 105091, 120104, 210182, 420364, 840728, 1456261, 2912522, 5825044, 10193827, 11650088, 20387654, 40775308, 81550616]

約数ペア:

[(1, 81550616), (2, 40775308), (4, 20387654), (7, 11650088), (8, 10193827), (14, 5825044), (28, 2912522), (56, 1456261), (97, 840728), (194, 420364), (388, 210182), (679, 120104), (776, 105091), (1358, 60052), (2716, 30026), (5432, 15013)]