78877876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3607}}^1$

素因数の和:3700

約数の個数: 48

約数和(自身を含む): 174569472

約数和(自身を除く): 95691596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 3607, 5467, 7214, 10934, 14428, 21868, 25249, 39677, 50498, 79354, 100996, 158708, 256097, 277739, 512194, 555478, 1024388, 1110956, 1792679, 2817067, 3585358, 5634134, 7170716, 11268268, 19719469, 39438938, 78877876]

約数ペア:

[(1, 78877876), (2, 39438938), (4, 19719469), (7, 11268268), (11, 7170716), (14, 5634134), (22, 3585358), (28, 2817067), (44, 1792679), (71, 1110956), (77, 1024388), (142, 555478), (154, 512194), (284, 277739), (308, 256097), (497, 158708), (781, 100996), (994, 79354), (1562, 50498), (1988, 39677), (3124, 25249), (3607, 21868), (5467, 14428), (7214, 10934)]