131891711

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 165419520

約数和(自身を除く): 33527809

約数列:

[1, 7, 19, 41, 67, 133, 287, 361, 469, 779, 1273, 2527, 2747, 5453, 6859, 8911, 14801, 19229, 24187, 48013, 52193, 103607, 169309, 281219, 365351, 459553, 991667, 1968533, 3216871, 6941669, 18841673, 131891711]

約数ペア:

[(1, 131891711), (7, 18841673), (19, 6941669), (41, 3216871), (67, 1968533), (133, 991667), (287, 459553), (361, 365351), (469, 281219), (779, 169309), (1273, 103607), (2527, 52193), (2747, 48013), (5453, 24187), (6859, 19229), (8911, 14801)]