138896368

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1722

約数の個数: 60

約数和(自身を含む): 300986688

約数和(自身を除く): 162090320

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 1657, 2704, 3224, 3314, 5239, 6448, 6628, 10478, 13256, 20956, 21541, 26512, 41912, 43082, 51367, 83824, 86164, 102734, 172328, 205468, 280033, 344656, 410936, 560066, 667771, 821872, 1120132, 1335542, 2240264, 2671084, 4480528, 5342168, 8681023, 10684336, 17362046, 34724092, 69448184, 138896368]

約数ペア:

[(1, 138896368), (2, 69448184), (4, 34724092), (8, 17362046), (13, 10684336), (16, 8681023), (26, 5342168), (31, 4480528), (52, 2671084), (62, 2240264), (104, 1335542), (124, 1120132), (169, 821872), (208, 667771), (248, 560066), (338, 410936), (403, 344656), (496, 280033), (676, 205468), (806, 172328), (1352, 102734), (1612, 86164), (1657, 83824), (2704, 51367), (3224, 43082), (3314, 41912), (5239, 26512), (6448, 21541), (6628, 20956), (10478, 13256)]