966851990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{673}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 1928114496

約数和(自身を除く): 961262506

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 257, 430, 514, 559, 673, 1118, 1285, 1346, 2570, 2795, 3341, 3365, 5590, 6682, 6730, 8749, 11051, 16705, 17498, 22102, 28939, 33410, 43745, 55255, 57878, 87490, 110510, 143663, 144695, 172961, 287326, 289390, 345922, 376207, 718315, 752414, 864805, 1436630, 1729610, 1881035, 2248493, 3762070, 4496986, 7437323, 11242465, 14874646, 22484930, 37186615, 74373230, 96685199, 193370398, 483425995, 966851990]

約数ペア:

[(1, 966851990), (2, 483425995), (5, 193370398), (10, 96685199), (13, 74373230), (26, 37186615), (43, 22484930), (65, 14874646), (86, 11242465), (130, 7437323), (215, 4496986), (257, 3762070), (430, 2248493), (514, 1881035), (559, 1729610), (673, 1436630), (1118, 864805), (1285, 752414), (1346, 718315), (2570, 376207), (2795, 345922), (3341, 289390), (3365, 287326), (5590, 172961), (6682, 144695), (6730, 143663), (8749, 110510), (11051, 87490), (16705, 57878), (17498, 55255), (22102, 43745), (28939, 33410)]