180728884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{208213}}^1$

素因数の和:208255

約数の個数: 24

約数和(自身を含む): 373119488

約数和(自身を除く): 192390604

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 208213, 416426, 832852, 1457491, 2914982, 5829964, 6454603, 12909206, 25818412, 45182221, 90364442, 180728884]

約数ペア:

[(1, 180728884), (2, 90364442), (4, 45182221), (7, 25818412), (14, 12909206), (28, 6454603), (31, 5829964), (62, 2914982), (124, 1457491), (217, 832852), (434, 416426), (868, 208213)]