64481768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{14419}}^1$

素因数の和:14481

約数の個数: 32

約数和(自身を含む): 133240800

約数和(自身を除く): 68759032

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 14419, 28838, 57676, 115352, 187447, 374894, 620017, 749788, 1240034, 1499576, 2480068, 4960136, 8060221, 16120442, 32240884, 64481768]

約数ペア:

[(1, 64481768), (2, 32240884), (4, 16120442), (8, 8060221), (13, 4960136), (26, 2480068), (43, 1499576), (52, 1240034), (86, 749788), (104, 620017), (172, 374894), (344, 187447), (559, 115352), (1118, 57676), (2236, 28838), (4472, 14419)]