13778570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 27827712

約数和(自身を除く): 14049142

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 263, 310, 338, 403, 526, 806, 845, 1315, 1690, 2015, 2630, 3419, 4030, 5239, 6838, 8153, 10478, 16306, 17095, 26195, 34190, 40765, 44447, 52390, 81530, 88894, 105989, 211978, 222235, 444470, 529945, 1059890, 1377857, 2755714, 6889285, 13778570]

約数ペア:

[(1, 13778570), (2, 6889285), (5, 2755714), (10, 1377857), (13, 1059890), (26, 529945), (31, 444470), (62, 222235), (65, 211978), (130, 105989), (155, 88894), (169, 81530), (263, 52390), (310, 44447), (338, 40765), (403, 34190), (526, 26195), (806, 17095), (845, 16306), (1315, 10478), (1690, 8153), (2015, 6838), (2630, 5239), (3419, 4030)]