71297128

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2593}}^1$

素因数の和:3097

約数の個数: 32

約数和(自身を含む): 153149760

約数和(自身を除く): 81852632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 982, 1964, 2593, 3437, 3928, 5186, 6874, 10372, 13748, 18151, 20744, 27496, 36302, 72604, 145208, 1273163, 2546326, 5092652, 8912141, 10185304, 17824282, 35648564, 71297128]

約数ペア:

[(1, 71297128), (2, 35648564), (4, 17824282), (7, 10185304), (8, 8912141), (14, 5092652), (28, 2546326), (56, 1273163), (491, 145208), (982, 72604), (1964, 36302), (2593, 27496), (3437, 20744), (3928, 18151), (5186, 13748), (6874, 10372)]