261212852056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{215353}}^1$

素因数の和:215588

約数の個数: 64

約数和(自身を含む): 537265159200

約数和(自身を除く): 276052307144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 109, 214, 218, 428, 436, 856, 872, 1391, 1417, 2782, 2834, 5564, 5668, 11128, 11336, 11663, 23326, 46652, 93304, 151619, 215353, 303238, 430706, 606476, 861412, 1212952, 1722824, 2799589, 5599178, 11198356, 22396712, 23042771, 23473477, 46085542, 46946954, 92171084, 93893908, 184342168, 187787816, 299556023, 305155201, 599112046, 610310402, 1198224092, 1220620804, 2396448184, 2441241608, 2511662039, 5023324078, 10046648156, 20093296312, 32651606507, 65303213014, 130606426028, 261212852056]

約数ペア:

[(1, 261212852056), (2, 130606426028), (4, 65303213014), (8, 32651606507), (13, 20093296312), (26, 10046648156), (52, 5023324078), (104, 2511662039), (107, 2441241608), (109, 2396448184), (214, 1220620804), (218, 1198224092), (428, 610310402), (436, 599112046), (856, 305155201), (872, 299556023), (1391, 187787816), (1417, 184342168), (2782, 93893908), (2834, 92171084), (5564, 46946954), (5668, 46085542), (11128, 23473477), (11336, 23042771), (11663, 22396712), (23326, 11198356), (46652, 5599178), (93304, 2799589), (151619, 1722824), (215353, 1212952), (303238, 861412), (430706, 606476)]