51372139

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 66326400

約数和(自身を除く): 14954261

約数列:

[1, 7, 13, 41, 49, 91, 281, 287, 343, 533, 637, 1967, 2009, 3653, 3731, 4459, 11521, 13769, 14063, 25571, 26117, 80647, 96383, 149773, 178997, 182819, 564529, 1048411, 1252979, 3951703, 7338877, 51372139]

約数ペア:

[(1, 51372139), (7, 7338877), (13, 3951703), (41, 1252979), (49, 1048411), (91, 564529), (281, 182819), (287, 178997), (343, 149773), (533, 96383), (637, 80647), (1967, 26117), (2009, 25571), (3653, 14063), (3731, 13769), (4459, 11521)]