388443354

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 855429120

約数和(自身を除く): 466985766

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 239, 311, 402, 478, 622, 717, 871, 933, 1434, 1742, 1866, 2613, 3107, 4043, 5226, 6214, 8086, 9321, 12129, 16013, 18642, 20837, 24258, 32026, 41674, 48039, 62511, 74329, 96078, 125022, 148658, 208169, 222987, 270881, 416338, 445974, 541762, 624507, 812643, 966277, 1249014, 1625286, 1932554, 2898831, 4980043, 5797662, 9960086, 14940129, 29880258, 64740559, 129481118, 194221677, 388443354]

約数ペア:

[(1, 388443354), (2, 194221677), (3, 129481118), (6, 64740559), (13, 29880258), (26, 14940129), (39, 9960086), (67, 5797662), (78, 4980043), (134, 2898831), (201, 1932554), (239, 1625286), (311, 1249014), (402, 966277), (478, 812643), (622, 624507), (717, 541762), (871, 445974), (933, 416338), (1434, 270881), (1742, 222987), (1866, 208169), (2613, 148658), (3107, 125022), (4043, 96078), (5226, 74329), (6214, 62511), (8086, 48039), (9321, 41674), (12129, 32026), (16013, 24258), (18642, 20837)]